#5E91CC
Closest named color: Faded Blue (#658CBB). oklch(64.6% 0.105 253), rgb(94, 145, 204).
Aa
Black text reads best on this color (6.39:1).
About this color
#5E91CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.105 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.026 away. Black text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #5E91CC |
| RGB | rgb(94, 145, 204) |
| HSL | hsl(212, 52%, 58%) |
| OKLCH | oklch(64.6% 0.105 253) |
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 #5E91CC | 3.28:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #5E91CC | 6.39:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #5E91CC text on white | 3.28:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #5E91CC text on black | 6.39:1 | AA | Lc -41.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#AAC3E2
oklch(80.9% 0.052 253.9)
-
Step 400
400
#7CA4D3
oklch(70.7% 0.082 252.9)
-
Step 500
500 (this color)
#5E91CC
oklch(64.6% 0.105 253)
-
Step 600
600
#3E76B4
oklch(55.7% 0.114 252.6)
-
Step 700
700
#30639B
oklch(49.2% 0.106 252.6)
-
Step 800
800
#29517D
oklch(42.8% 0.086 252.4)
-
Step 900
900
#264365
oklch(37.7% 0.068 253.4)
-
Step 950
950
#17273B
oklch(26.9% 0.043 254.6)
#5E91CC 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) | #7994CF | 0.034 |
| Deuteranopia (no green cones) | #6B89CB | 0.024 |
| Tritanopia (no blue cones) | #1B9EA6 | 0.091 |
| Achromatopsia (no color) | #8E8E8E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E91CC
#5E91CC
oklch(64.6% 0.105 253)
- #B4833F
#B4833F
oklch(64.5% 0.104 73)
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 #5E91CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.050
- Cool Blue #4984B8 ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.053
- Off Blue #5684AE ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.056
Use #5E91CC 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.