#59A2AB
Closest named color: Cadet Blue (#5F9EA0). oklch(66.8% 0.074 205.9), rgb(89, 162, 171).
Aa
Black text reads best on this color (7.18:1).
About this color
#59A2AB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.074 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.017 away. Black text reads best on it, at 7.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #59A2AB |
| RGB | rgb(89, 162, 171) |
| HSL | hsl(187, 33%, 51%) |
| OKLCH | oklch(66.8% 0.074 205.9) |
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 #59A2AB | 2.92:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #59A2AB | 7.18:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #59A2AB text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #59A2AB text on black | 7.18:1 | AAA | Lc -46.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A6C8CC
oklch(80.9% 0.037 205.2)
-
Step 400
400
#75ABB2
oklch(70.6% 0.058 206.1)
-
Step 500
500 (this color)
#59A2AB
oklch(66.8% 0.074 205.9)
-
Step 600
600
#2B818A
oklch(55.7% 0.081 205)
-
Step 700
700
#1C6D75
oklch(49.2% 0.075 204.8)
-
Step 800
800
#1B5960
oklch(42.8% 0.062 205.8)
-
Step 900
900
#1E494E
oklch(37.7% 0.048 205.6)
-
Step 950
950
#132B2E
oklch(27.1% 0.03 206.1)
#59A2AB 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) | #989DAC | 0.074 |
| Deuteranopia (no green cones) | #8A93AB | 0.066 |
| Tritanopia (no blue cones) | #2CA7A5 | 0.035 |
| Achromatopsia (no color) | #979797 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A2AB
#59A2AB
oklch(66.8% 0.074 205.9)
- #BE837D
#BE837D
oklch(66.8% 0.074 25.7)
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 #59A2AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.017
- Greyblue #77A1B5 ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.051
- Sea #3C9992 ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.054
Use #59A2AB 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.