#5B8BC2
Closest named color: Faded Blue (#658CBB). oklch(62.6% 0.099 252.7), rgb(91, 139, 194).
Aa
Black text reads best on this color (5.91:1).
About this color
#5B8BC2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.099 and its hue 253°. 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 5.91:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #5B8BC2 |
| RGB | rgb(91, 139, 194) |
| HSL | hsl(212, 46%, 56%) |
| OKLCH | oklch(62.6% 0.099 252.7) |
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 #5B8BC2 | 3.54:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #5B8BC2 | 5.91:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #5B8BC2 text on white | 3.54:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #5B8BC2 text on black | 5.91:1 | AA | Lc -38.7 | 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#ABC3E0
oklch(80.9% 0.049 253.3)
-
Step 400
400
#7EA4D0
oklch(70.7% 0.077 252.5)
-
Step 500
500 (this color)
#5B8BC2
oklch(62.6% 0.099 252.7)
-
Step 600
600
#4276B0
oklch(55.6% 0.107 252.5)
-
Step 700
700
#336398
oklch(49.2% 0.1 252.5)
-
Step 800
800
#2B517B
oklch(42.7% 0.083 252.4)
-
Step 900
900
#274363
oklch(37.6% 0.065 252.8)
-
Step 950
950
#17273A
oklch(26.8% 0.042 253.5)
#5B8BC2 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) | #758EC4 | 0.033 |
| Deuteranopia (no green cones) | #6883C1 | 0.025 |
| Tritanopia (no blue cones) | #21989E | 0.087 |
| Achromatopsia (no color) | #888888 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8BC2
#5B8BC2
oklch(62.6% 0.099 252.7)
- #AC7E3F
#AC7E3F
oklch(62.6% 0.098 72.9)
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 #5B8BC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.016
- Cool Blue #4984B8 ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.032
- Off Blue #5684AE ΔE 0.034
- Steel Blue #4682B4 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.053
- Water Blue #0E87CC ΔE 0.054
Use #5B8BC2 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.