#3E80BC
Closest named color: Steel Blue (#4682B4). oklch(58.4% 0.114 248.4), rgb(62, 128, 188).
Aa
Black text reads best on this color (5.01:1).
About this color
#3E80BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.114 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.016 away. Black text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #3E80BC |
| RGB | rgb(62, 128, 188) |
| HSL | hsl(209, 50%, 49%) |
| OKLCH | oklch(58.4% 0.114 248.4) |
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 #3E80BC | 4.18:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #3E80BC | 5.01:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #3E80BC text on white | 4.18:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #3E80BC text on black | 5.01:1 | AA | Lc -33.1 | 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
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300
#A7C4E1
oklch(80.8% 0.052 248.5)
-
Step 400
400
#77A5D2
oklch(70.6% 0.083 248.5)
-
Step 500
500
#538EC6
oklch(63% 0.105 248.6)
-
Step 600
600 (this color)
#3E80BC
oklch(58.4% 0.114 248.4)
-
Step 700
700
#27649A
oklch(49.1% 0.107 248.6)
-
Step 800
800
#22527D
oklch(42.7% 0.088 248.5)
-
Step 900
900
#214464
oklch(37.6% 0.069 248.2)
-
Step 950
950
#14283B
oklch(27% 0.044 248.6)
#3E80BC 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) | #6683BF | 0.044 |
| Deuteranopia (no green cones) | #5476BB | 0.032 |
| Tritanopia (no blue cones) | #008E95 | 0.087 |
| Achromatopsia (no color) | #7C7C7C | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E80BC
#3E80BC
oklch(58.4% 0.114 248.4)
- #A76D21
#A76D21
oklch(58.4% 0.114 68.4)
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 #3E80BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.016
- Cool Blue #4984B8 ΔE 0.018
- Windows Blue #3778BF ΔE 0.026
- Water Blue #0E87CC ΔE 0.032
- Off Blue #5684AE ΔE 0.035
- Nice Blue #107AB0 ΔE 0.038
- Blue NCS #118AB2 ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.043
Use #3E80BC 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.