#5FA3B0
Closest named color: Cadet Blue (#5F9EA0). oklch(67.5% 0.071 211.2), rgb(95, 163, 176).
Aa
Black text reads best on this color (7.35:1).
About this color
#5FA3B0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.071 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.024 away. Black text reads best on it, at 7.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #5FA3B0 |
| RGB | rgb(95, 163, 176) |
| HSL | hsl(190, 34%, 53%) |
| OKLCH | oklch(67.5% 0.071 211.2) |
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 #5FA3B0 | 2.85:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #5FA3B0 | 7.35:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #5FA3B0 text on white | 2.85:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #5FA3B0 text on black | 7.35:1 | AAA | Lc -47.2 | 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
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#A0C9D1
oklch(80.9% 0.045 210.8)
-
Step 400
400 (this color)
#5FA3B0
oklch(67.5% 0.071 211.2)
-
Step 500
500
#3898A9
oklch(63.1% 0.091 211.5)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#0E4A54
oklch(37.8% 0.06 211.6)
-
Step 950
950
#0C2B31
oklch(26.9% 0.038 212.5)
#5FA3B0 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) | #989EB1 | 0.068 |
| Deuteranopia (no green cones) | #8B95B0 | 0.061 |
| Tritanopia (no blue cones) | #37A9A7 | 0.039 |
| Achromatopsia (no color) | #999999 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA3B0
#5FA3B0
oklch(67.5% 0.071 211.2)
- #BF877C
#BF877C
oklch(67.6% 0.071 31.4)
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 #5FA3B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.024
- Greyblue #77A1B5 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.052
- Grey Teal #5E9B8A ΔE 0.055
- Cool Gray #8D99AE ΔE 0.057
Use #5FA3B0 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.