#318FF8
Closest named color: Dodger Blue (#1E90FF). oklch(64.9% 0.179 254.3), rgb(49, 143, 248).
Aa
Black text reads best on this color (6.41:1).
About this color
#318FF8 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.179 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.012 away. Black text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #318FF8 |
| RGB | rgb(49, 143, 248) |
| HSL | hsl(212, 93%, 58%) |
| OKLCH | oklch(64.9% 0.179 254.3) |
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 #318FF8 | 3.27:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #318FF8 | 6.41:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #318FF8 text on white | 3.27:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #318FF8 text on black | 6.41:1 | AA | Lc -42.2 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DBF9
oklch(88.4% 0.048 255.1)
-
Step 300
300
#9AC4F9
oklch(80.9% 0.088 254.5)
-
Step 400
400
#5FA3F6
oklch(70.7% 0.141 254.4)
-
Step 500
500 (this color)
#318FF8
oklch(64.9% 0.179 254.3)
-
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
#05417D
oklch(37.7% 0.116 254.1)
-
Step 950
950
#082649
oklch(26.9% 0.074 254.8)
#318FF8 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) | #5A98FC | 0.042 |
| Deuteranopia (no green cones) | #3386F6 | 0.023 |
| Tritanopia (no blue cones) | #00A8B7 | 0.135 |
| Achromatopsia (no color) | #8E8E8E | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318FF8
#318FF8
oklch(64.9% 0.179 254.3)
- #BF8000
#BF8000
oklch(64.8% 0.137 74.5)
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 #318FF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.012
- Chefchaouen Blue #4895EF ΔE 0.028
- Dark Sky Blue #448EE4 ΔE 0.031
- Soft Blue #6488EA ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.049
- Clear Blue #247AFD ΔE 0.057
- Cornflower #6A79F7 ΔE 0.068
- Water Blue #0E87CC ΔE 0.071
Use #318FF8 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.