#5FA5B3
Closest named color: Greyblue (#77A1B5). oklch(68.1% 0.073 211.9), rgb(95, 165, 179).
Aa
Black text reads best on this color (7.51:1).
About this color
#5FA5B3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.073 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.027 away. Black text reads best on it, at 7.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #5FA5B3 |
| RGB | rgb(95, 165, 179) |
| HSL | hsl(190, 36%, 54%) |
| OKLCH | oklch(68.1% 0.073 211.9) |
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 #5FA5B3 | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #5FA5B3 | 7.51:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #5FA5B3 text on white | 2.79:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #5FA5B3 text on black | 7.51:1 | AAA | Lc -48.2 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#9FC9D2
oklch(80.9% 0.046 212.2)
-
Step 400
400 (this color)
#5FA5B3
oklch(68.1% 0.073 211.9)
-
Step 500
500
#3498AA
oklch(63% 0.094 211.9)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#0B4A54
oklch(37.7% 0.061 211.2)
-
Step 950
950
#0B2B31
oklch(26.9% 0.038 212.2)
#5FA5B3 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) | #9AA0B4 | 0.069 |
| Deuteranopia (no green cones) | #8C96B3 | 0.063 |
| Tritanopia (no blue cones) | #34ABA9 | 0.040 |
| Achromatopsia (no color) | #9B9B9B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA5B3
#5FA5B3
oklch(68.1% 0.073 211.9)
- #C2887C
#C2887C
oklch(68.1% 0.074 32.1)
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 #5FA5B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.027
- Cadet Blue #5F9EA0 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.048
- Dull Teal #5F9E8F ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.056
- Cool Gray #8D99AE ΔE 0.058
Use #5FA5B3 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.