#5FA5CF
Closest named color: Greyblue (#77A1B5). oklch(69.2% 0.094 236.6), rgb(95, 165, 207).
Aa
Black text reads best on this color (7.76:1).
About this color
#5FA5CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.094 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 7.76:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.76:1 |
| White text | 2.70:1 |
Values
| HEX | #5FA5CF |
| RGB | rgb(95, 165, 207) |
| HSL | hsl(203, 54%, 59%) |
| OKLCH | oklch(69.2% 0.094 236.6) |
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 #5FA5CF | 2.70:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #5FA5CF | 7.76:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #5FA5CF text on white | 2.70:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #5FA5CF text on black | 7.76:1 | AAA | Lc -49.6 | 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
#9DC7E2
oklch(80.9% 0.059 236.7)
-
Step 400
400 (this color)
#5FA5CF
oklch(69.2% 0.094 236.6)
-
Step 500
500
#2E93C8
oklch(63% 0.12 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#074766
oklch(37.7% 0.079 237.1)
-
Step 950
950
#092A3B
oklch(27.1% 0.049 235.4)
#5FA5CF 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) | #92A4D1 | 0.057 |
| Deuteranopia (no green cones) | #8298CE | 0.049 |
| Tritanopia (no blue cones) | #0BB0B3 | 0.074 |
| Achromatopsia (no color) | #9D9D9D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA5CF
#5FA5CF
oklch(69.2% 0.094 236.6)
- #C98D61
#C98D61
oklch(69.3% 0.094 56.7)
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 #5FA5CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.055
- Turquoise Blue #06B1C4 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.066
- Faded Blue #658CBB ΔE 0.068
- Cadet Blue #5F9EA0 ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.071
Use #5FA5CF 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.