#3D8EE8
Closest named color: Dark Sky Blue (#448EE4). oklch(64% 0.156 253.4), rgb(61, 142, 232).
Aa
Black text reads best on this color (6.23:1).
About this color
#3D8EE8 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.156 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.008 away. Black text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #3D8EE8 |
| RGB | rgb(61, 142, 232) |
| HSL | hsl(212, 79%, 57%) |
| OKLCH | oklch(64% 0.156 253.4) |
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 #3D8EE8 | 3.36:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #3D8EE8 | 6.23:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #3D8EE8 text on white | 3.36:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #3D8EE8 text on black | 6.23:1 | AA | Lc -40.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9EC4F2
oklch(80.9% 0.077 253.5)
-
Step 400
400
#67A4EB
oklch(70.7% 0.123 253.2)
-
Step 500
500 (this color)
#3D8EE8
oklch(64% 0.156 253.4)
-
Step 600
600
#0973D3
oklch(55.7% 0.17 253.4)
-
Step 700
700
#0060B4
oklch(49.1% 0.153 253.4)
-
Step 800
800
#044F94
oklch(42.8% 0.131 253.3)
-
Step 900
900
#114276
oklch(37.7% 0.102 253.5)
-
Step 950
950
#0C2745
oklch(27% 0.065 253.3)
#3D8EE8 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) | #6494EC | 0.041 |
| Deuteranopia (no green cones) | #4985E6 | 0.024 |
| Tritanopia (no blue cones) | #00A3B0 | 0.118 |
| Achromatopsia (no color) | #8C8C8C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D8EE8
#3D8EE8
oklch(64% 0.156 253.4)
- #BD7D00
#BD7D00
oklch(64% 0.136 73.4)
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 #3D8EE8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.008
- Chefchaouen Blue #4895EF ΔE 0.023
- Dodger Blue #1E90FF ΔE 0.036
- Soft Blue #6488EA ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.043
- Water Blue #0E87CC ΔE 0.053
- Clear Blue #247AFD ΔE 0.068
- Cornflower #6A79F7 ΔE 0.071
Use #3D8EE8 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.