#0388FF
Closest named color: Dodger Blue (#1E90FF). oklch(63.2% 0.202 254.2), rgb(3, 136, 255).
Aa
Black text reads best on this color (5.96:1).
About this color
#0388FF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.202 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.023 away. Black text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.96:1 |
| White text | 3.51:1 |
Values
| HEX | #0388FF |
| RGB | rgb(3, 136, 255) |
| HSL | hsl(208, 100%, 51%) |
| OKLCH | oklch(63.2% 0.202 254.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0388FF | 3.51:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #0388FF | 5.96:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #0388FF text on white | 3.51:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #0388FF text on black | 5.96:1 | AA | Lc -39.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDEBFD
oklch(93.5% 0.029 254.7)
-
Step 200
200
#C1DCFD
oklch(88.5% 0.054 253.6)
-
Step 300
300
#95C4FF
oklch(80.9% 0.098 254.5)
-
Step 400
400
#55A3FF
oklch(70.8% 0.156 254)
-
Step 500
500 (this color)
#0388FF
oklch(63.2% 0.202 254.2)
-
Step 600
600
#0072D8
oklch(55.7% 0.178 254.2)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#00417F
oklch(37.8% 0.12 253.9)
-
Step 950
950
#02264E
oklch(27.1% 0.084 254.4)
#0388FF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4293FF | 0.042 |
| Deuteranopia (no green cones) | #007FFD | 0.023 |
| Tritanopia (no blue cones) | #00A5B7 | 0.150 |
| Achromatopsia (no color) | #898989 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0388FF
#0388FF
oklch(63.2% 0.202 254.2)
- #B97B00
#B97B00
oklch(63.2% 0.134 73.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0388FF, closest first.
No curated palette has a color within ΔE 0.04 of #0388FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.023
- Clear Blue #247AFD ΔE 0.034
- Dark Sky Blue #448EE4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.057
- Soft Blue #6488EA ΔE 0.064
- Cerulean Blue #056EEE ΔE 0.069
- Cornflower #6A79F7 ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.077
Use #0388FF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.