#4FA0B7
Closest named color: Cadet Blue (#5F9EA0). oklch(66.4% 0.086 218.9), rgb(79, 160, 183).
Aa
Black text reads best on this color (7.04:1).
About this color
#4FA0B7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.086 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.034 away. Black text reads best on it, at 7.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.04:1 |
| White text | 2.98:1 |
Values
| HEX | #4FA0B7 |
| RGB | rgb(79, 160, 183) |
| HSL | hsl(193, 42%, 51%) |
| OKLCH | oklch(66.4% 0.086 218.9) |
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 #4FA0B7 | 2.98:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #4FA0B7 | 7.04:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #4FA0B7 text on white | 2.98:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #4FA0B7 text on black | 7.04:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C8D3
oklch(81% 0.042 217.8)
-
Step 400
400
#6FABBD
oklch(70.7% 0.067 218.8)
-
Step 500
500 (this color)
#4FA0B7
oklch(66.4% 0.086 218.9)
-
Step 600
600
#1C8098
oklch(55.6% 0.093 218.6)
-
Step 700
700
#086C82
oklch(49.1% 0.087 218.8)
-
Step 800
800
#105869
oklch(42.7% 0.071 218.3)
-
Step 900
900
#184956
oklch(37.9% 0.056 218.6)
-
Step 950
950
#102B32
oklch(27.1% 0.035 217.1)
#4FA0B7 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) | #919CB8 | 0.073 |
| Deuteranopia (no green cones) | #8290B7 | 0.067 |
| Tritanopia (no blue cones) | #00A8A7 | 0.051 |
| Achromatopsia (no color) | #959595 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA0B7
#4FA0B7
oklch(66.4% 0.086 218.9)
- #C1816C
#C1816C
oklch(66.4% 0.086 38.9)
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 #4FA0B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.034
- Greyblue #77A1B5 ΔE 0.040
- Turquoise Blue #06B1C4 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.058
- Dull Teal #5F9E8F ΔE 0.059
- Sea #3C9992 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.060
- Silver Lake Blue #778DA9 ΔE 0.061
Use #4FA0B7 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.