#5FA1CC
Closest named color: Greyblue (#77A1B5). oklch(68.2% 0.093 238.7), rgb(95, 161, 204).
Aa
Black text reads best on this color (7.45:1).
About this color
#5FA1CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.093 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.041 away. Black text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #5FA1CC |
| RGB | rgb(95, 161, 204) |
| HSL | hsl(204, 52%, 59%) |
| OKLCH | oklch(68.2% 0.093 238.7) |
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 #5FA1CC | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #5FA1CC | 7.45:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #5FA1CC text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #5FA1CC text on black | 7.45:1 | AAA | Lc -47.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9FC7E2
oklch(81% 0.057 237.9)
-
Step 400
400 (this color)
#5FA1CC
oklch(68.2% 0.093 238.7)
-
Step 500
500
#3592C9
oklch(63% 0.119 239)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#0D4666
oklch(37.6% 0.078 239.5)
-
Step 950
950
#0B293C
oklch(26.9% 0.05 240.3)
#5FA1CC 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) | #8EA0CE | 0.054 |
| Deuteranopia (no green cones) | #7F95CB | 0.045 |
| Tritanopia (no blue cones) | #17ACAF | 0.075 |
| Achromatopsia (no color) | #9A9A9A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA1CC
#5FA1CC
oklch(68.2% 0.093 238.7)
- #C48B5D
#C48B5D
oklch(68.3% 0.093 59.3)
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 #5FA1CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.056
- Faded Blue #658CBB ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.059
- Turquoise Blue #06B1C4 ΔE 0.063
- Cool Gray #8D99AE ΔE 0.063
- Cadet Blue #5F9EA0 ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.066
Use #5FA1CC 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.