#3E8EDD
Closest named color: Dark Sky Blue (#448EE4). oklch(63.4% 0.142 250.9), rgb(62, 142, 221).
Aa
Black text reads best on this color (6.11:1).
About this color
#3E8EDD is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.142 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.012 away. Black text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #3E8EDD |
| RGB | rgb(62, 142, 221) |
| HSL | hsl(210, 70%, 55%) |
| OKLCH | oklch(63.4% 0.142 250.9) |
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 #3E8EDD | 3.43:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #3E8EDD | 6.11:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #3E8EDD text on white | 3.43:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #3E8EDD text on black | 6.11:1 | AA | Lc -40.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#A0C4ED
oklch(80.8% 0.07 252)
-
Step 400
400
#6AA5E4
oklch(70.7% 0.112 251.1)
-
Step 500
500 (this color)
#3E8EDD
oklch(63.4% 0.142 250.9)
-
Step 600
600
#1075C9
oklch(55.5% 0.154 250.8)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#08508D
oklch(42.6% 0.119 251.1)
-
Step 900
900
#134371
oklch(37.7% 0.094 251.1)
-
Step 950
950
#0D2842
oklch(27.1% 0.059 250.2)
#3E8EDD 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) | #6A93E0 | 0.046 |
| Deuteranopia (no green cones) | #5384DB | 0.029 |
| Tritanopia (no blue cones) | #00A1AB | 0.108 |
| Achromatopsia (no color) | #8A8A8A | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E8EDD
#3E8EDD
oklch(63.4% 0.142 250.9)
- #BD7A00
#BD7A00
oklch(63.5% 0.136 71.3)
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 #3E8EDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.012
- Chefchaouen Blue #4895EF ΔE 0.033
- Water Blue #0E87CC ΔE 0.041
- Soft Blue #6488EA ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.048
- Dodger Blue #1E90FF ΔE 0.051
- Cool Blue #4984B8 ΔE 0.057
- Faded Blue #658CBB ΔE 0.059
Use #3E8EDD 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.