#3E82BD
Closest named color: Cool Blue (#4984B8). oklch(58.9% 0.114 247.4), rgb(62, 130, 189).
Aa
Black text reads best on this color (5.13:1).
About this color
#3E82BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.014 away. Black text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #3E82BD |
| RGB | rgb(62, 130, 189) |
| HSL | hsl(208, 51%, 49%) |
| OKLCH | oklch(58.9% 0.114 247.4) |
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 #3E82BD | 4.09:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #3E82BD | 5.13:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #3E82BD text on white | 4.09:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #3E82BD text on black | 5.13:1 | AA | Lc -33.8 | 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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A7C4E1
oklch(80.8% 0.052 248.5)
-
Step 400
400
#77A6D1
oklch(70.8% 0.081 246.8)
-
Step 500
500
#518FC6
oklch(63.2% 0.105 247.1)
-
Step 600
600 (this color)
#3E82BD
oklch(58.9% 0.114 247.4)
-
Step 700
700
#256599
oklch(49.2% 0.105 246.8)
-
Step 800
800
#21527C
oklch(42.6% 0.088 247.5)
-
Step 900
900
#214464
oklch(37.6% 0.069 248.2)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#3E82BD 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) | #6884C0 | 0.045 |
| Deuteranopia (no green cones) | #5678BC | 0.033 |
| Tritanopia (no blue cones) | #009097 | 0.086 |
| Achromatopsia (no color) | #7D7D7D | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E82BD
#3E82BD
oklch(58.9% 0.114 247.4)
- #A96E25
#A96E25
oklch(58.8% 0.114 67.3)
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 #3E82BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.014
- Steel Blue #4682B4 ΔE 0.015
- Water Blue #0E87CC ΔE 0.030
- Windows Blue #3778BF ΔE 0.031
- Off Blue #5684AE ΔE 0.033
- Blue NCS #118AB2 ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.040
- Nice Blue #107AB0 ΔE 0.042
Use #3E82BD 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.