#5FA1B8
Closest named color: Greyblue (#77A1B5). oklch(67.4% 0.075 222.5), rgb(95, 161, 184).
Aa
Black text reads best on this color (7.27:1).
About this color
#5FA1B8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.075 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.025 away. Black text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #5FA1B8 |
| RGB | rgb(95, 161, 184) |
| HSL | hsl(196, 39%, 55%) |
| OKLCH | oklch(67.4% 0.075 222.5) |
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 #5FA1B8 | 2.88:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #5FA1B8 | 7.27:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #5FA1B8 text on white | 2.88:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #5FA1B8 text on black | 7.27:1 | AAA | Lc -46.8 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400 (this color)
#5FA1B8
oklch(67.4% 0.075 222.5)
-
Step 500
500
#3996B3
oklch(63% 0.096 222.2)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#10495A
oklch(37.8% 0.063 222.6)
-
Step 950
950
#0C2B34
oklch(27.1% 0.04 220.3)
#5FA1B8 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) | #949EB9 | 0.062 |
| Deuteranopia (no green cones) | #8694B8 | 0.054 |
| Tritanopia (no blue cones) | #31A8A8 | 0.049 |
| Achromatopsia (no color) | #989898 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA1B8
#5FA1B8
oklch(67.4% 0.075 222.5)
- #BF8771
#BF8771
oklch(67.3% 0.076 42.3)
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 #5FA1B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.025
- Cadet Blue #5F9EA0 ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.047
- Cool Gray #8D99AE ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.057
- Blue Grey #758DA3 ΔE 0.057
Use #5FA1B8 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.