#5E7EBB
Closest named color: Cool Blue (#4984B8). oklch(59.5% 0.101 262.6), rgb(94, 126, 187).
Aa
Black text reads best on this color (5.17:1).
About this color
#5E7EBB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.101 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.027 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #5E7EBB |
| RGB | rgb(94, 126, 187) |
| HSL | hsl(219, 41%, 55%) |
| OKLCH | oklch(59.5% 0.101 262.6) |
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 #5E7EBB | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #5E7EBB | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #5E7EBB text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #5E7EBB text on black | 5.17:1 | AA | Lc -34.0 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0DAEC
oklch(88.6% 0.027 262.3)
-
Step 300
300
#B0C1E1
oklch(80.9% 0.049 263.1)
-
Step 400
400
#86A1D2
oklch(70.7% 0.078 262.1)
-
Step 500
500 (this color)
#5E7EBB
oklch(59.5% 0.101 262.6)
-
Step 600
600
#5072B3
oklch(55.6% 0.109 262.4)
-
Step 700
700
#415F9A
oklch(49.1% 0.102 262.8)
-
Step 800
800
#354E7D
oklch(42.7% 0.084 262.2)
-
Step 900
900
#2E4165
oklch(37.7% 0.067 262.4)
-
Step 950
950
#1B263B
oklch(26.9% 0.042 262.7)
#5E7EBB 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) | #6783BE | 0.019 |
| Deuteranopia (no green cones) | #5C7ABA | 0.012 |
| Tritanopia (no blue cones) | #358B94 | 0.090 |
| Achromatopsia (no color) | #7E7E7E | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E7EBB
#5E7EBB
oklch(59.5% 0.101 262.6)
- #9C782F
#9C782F
oklch(59.4% 0.1 82.1)
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 #5E7EBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.027
- Steel Blue #4682B4 ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.036
- Faded Blue #658CBB ΔE 0.042
- Windows Blue #3778BF ΔE 0.045
- Stormy Blue #507B9C ΔE 0.052
- Cerulean #457B9D ΔE 0.056
Use #5E7EBB 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.