#438AF3
Closest named color: Dodger Blue (#1E90FF). oklch(64.1% 0.173 258.3), rgb(67, 138, 243).
Aa
Black text reads best on this color (6.16:1).
About this color
#438AF3 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.173 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.026 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #438AF3 |
| RGB | rgb(67, 138, 243) |
| HSL | hsl(216, 88%, 61%) |
| OKLCH | oklch(64.1% 0.173 258.3) |
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 #438AF3 | 3.40:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #438AF3 | 6.16:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #438AF3 text on white | 3.40:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #438AF3 text on black | 6.16:1 | AA | Lc -40.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DBF9
oklch(88.6% 0.047 258.4)
-
Step 300
300
#9FC3F7
oklch(81% 0.084 257.5)
-
Step 400
400
#6AA1F4
oklch(70.7% 0.136 258.4)
-
Step 500
500 (this color)
#438AF3
oklch(64.1% 0.173 258.3)
-
Step 600
600
#1C6EDE
oklch(55.6% 0.187 258.2)
-
Step 700
700
#0D5BC1
oklch(49.1% 0.175 258.3)
-
Step 800
800
#104B9C
oklch(42.7% 0.145 258.2)
-
Step 900
900
#16407C
oklch(37.8% 0.112 258)
-
Step 950
950
#0E2649
oklch(27.1% 0.072 258)
#438AF3 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) | #5694F7 | 0.033 |
| Deuteranopia (no green cones) | #3584F1 | 0.020 |
| Tritanopia (no blue cones) | #00A3B3 | 0.135 |
| Achromatopsia (no color) | #8B8B8B | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438AF3
#438AF3
oklch(64.1% 0.173 258.3)
- #B88000
#B88000
oklch(64% 0.133 77.9)
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 #438AF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.027
- Chefchaouen Blue #4895EF ΔE 0.032
- Soft Blue #6488EA ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.047
- Clear Blue #247AFD ΔE 0.052
- Cornflower #6A79F7 ΔE 0.054
- Water Blue #0E87CC ΔE 0.068
Use #438AF3 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.