#5FA3AA
Closest named color: Cadet Blue (#5F9EA0). oklch(67.3% 0.07 204.1), rgb(95, 163, 170).
Aa
Black text reads best on this color (7.30:1).
About this color
#5FA3AA is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.070 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.018 away. Black text reads best on it, at 7.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #5FA3AA |
| RGB | rgb(95, 163, 170) |
| HSL | hsl(186, 31%, 52%) |
| OKLCH | oklch(67.3% 0.07 204.1) |
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 #5FA3AA | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #5FA3AA | 7.30:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #5FA3AA text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #5FA3AA text on black | 7.30:1 | AAA | Lc -47.0 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE0
oklch(88.5% 0.024 203.4)
-
Step 300
300
#A0C9CE
oklch(80.8% 0.044 205.5)
-
Step 400
400 (this color)
#5FA3AA
oklch(67.3% 0.07 204.1)
-
Step 500
500
#3999A2
oklch(63.1% 0.089 203.9)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#0F4A50
oklch(37.6% 0.058 205.2)
-
Step 950
950
#0C2C2F
oklch(27.1% 0.037 203.8)
#5FA3AA 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) | #999EAB | 0.069 |
| Deuteranopia (no green cones) | #8D94AA | 0.065 |
| Tritanopia (no blue cones) | #3BA8A5 | 0.032 |
| Achromatopsia (no color) | #989898 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA3AA
#5FA3AA
oklch(67.3% 0.07 204.1)
- #BE8681
#BE8681
oklch(67.4% 0.07 24.8)
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 #5FA3AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.018
- Greyblue #77A1B5 ΔE 0.033
- Dull Teal #5F9E8F ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.050
- Light Sea Green #20B2AA ΔE 0.053
- Sea #3C9992 ΔE 0.055
Use #5FA3AA 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.