#5FA3B8
Closest named color: Greyblue (#77A1B5). oklch(67.8% 0.075 219.9), rgb(95, 163, 184).
Aa
Black text reads best on this color (7.41:1).
About this color
#5FA3B8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.075 and its hue 220°. 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 7.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.41:1 |
| White text | 2.83:1 |
Values
| HEX | #5FA3B8 |
| RGB | rgb(95, 163, 184) |
| HSL | hsl(194, 39%, 55%) |
| OKLCH | oklch(67.8% 0.075 219.9) |
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 #5FA3B8 | 2.83:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #5FA3B8 | 7.41:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #5FA3B8 text on white | 2.83:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #5FA3B8 text on black | 7.41:1 | AAA | Lc -47.6 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE5
oklch(88.6% 0.026 218)
-
Step 300
300
#A0C8D6
oklch(80.9% 0.047 221.2)
-
Step 400
400 (this color)
#5FA3B8
oklch(67.8% 0.075 219.9)
-
Step 500
500
#3697B2
oklch(63.2% 0.097 220)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#0D4959
oklch(37.7% 0.063 220.7)
-
Step 950
950
#0B2B34
oklch(27% 0.04 219.8)
#5FA3B8 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) | #969FB9 | 0.064 |
| Deuteranopia (no green cones) | #8895B8 | 0.058 |
| Tritanopia (no blue cones) | #30AAAA | 0.047 |
| Achromatopsia (no color) | #9A9A9A | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA3B8
#5FA3B8
oklch(67.8% 0.075 219.9)
- #C18875
#C18875
oklch(67.8% 0.076 39.2)
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 #5FA3B8, 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 0.042
- Bluey Grey #89A0B0 ΔE 0.046
- Turquoise Blue #06B1C4 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.055
- Dull Teal #5F9E8F ΔE 0.059
- Silver Lake Blue #778DA9 ΔE 0.062
Use #5FA3B8 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.