#5E91BA
Closest named color: Faded Blue (#658CBB). oklch(63.7% 0.083 243.8), rgb(94, 145, 186).
Aa
Black text reads best on this color (6.23:1).
About this color
#5E91BA is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.083 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.016 away. Black text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #5E91BA |
| RGB | rgb(94, 145, 186) |
| HSL | hsl(207, 40%, 55%) |
| OKLCH | oklch(63.7% 0.083 243.8) |
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 #5E91BA | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #5E91BA | 6.23:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #5E91BA text on white | 3.36:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #5E91BA text on black | 6.23:1 | AA | Lc -40.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ABC4D9
oklch(80.8% 0.04 243.6)
-
Step 400
400
#7EA6C6
oklch(70.8% 0.064 242.9)
-
Step 500
500 (this color)
#5E91BA
oklch(63.7% 0.083 243.8)
-
Step 600
600
#4179A4
oklch(55.7% 0.09 243.6)
-
Step 700
700
#32658D
oklch(49% 0.085 244.5)
-
Step 800
800
#2B5372
oklch(42.7% 0.069 243.8)
-
Step 900
900
#27455C
oklch(37.8% 0.053 243)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#5E91BA 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) | #8091BC | 0.041 |
| Deuteranopia (no green cones) | #7388B9 | 0.033 |
| Tritanopia (no blue cones) | #319B9F | 0.069 |
| Achromatopsia (no color) | #8C8C8C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E91BA
#5E91BA
oklch(63.7% 0.083 243.8)
- #AF8055
#AF8055
oklch(63.7% 0.083 62.9)
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 #5E91BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.016
- Dusty Blue #5A86AD ΔE 0.034
- Silver Lake Blue #778DA9 ΔE 0.035
- Off Blue #5684AE ΔE 0.040
- Blue Grey #758DA3 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.045
- Steel Blue #4682B4 ΔE 0.052
- Light Slate Gray #778899 ΔE 0.053
Use #5E91BA 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.