#059EAF
Closest named color: Sea (#3C9992). oklch(64% 0.109 208.3), rgb(5, 158, 175).
Aa
Black text reads best on this color (6.51:1).
About this color
#059EAF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.109 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.043 away. Black text reads best on it, at 6.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #059EAF |
| RGB | rgb(5, 158, 175) |
| HSL | hsl(186, 94%, 35%) |
| OKLCH | oklch(64% 0.109 208.3) |
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 #059EAF | 3.22:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #059EAF | 6.51:1 | AA | Lc 45.2 | Large or bold text, headings |
| #059EAF text on white | 3.22:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #059EAF text on black | 6.51:1 | AA | Lc -42.9 | Non-text elements, placeholder text |
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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE3
oklch(88.5% 0.029 207.4)
-
Step 300
300
#98CBD3
oklch(80.9% 0.054 208.1)
-
Step 400
400
#59B0BD
oklch(70.8% 0.086 208.2)
-
Step 500
500 (this color)
#059EAF
oklch(64% 0.109 208.3)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#022C32
oklch(26.9% 0.045 209.3)
#059EAF 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) | #8E97B0 | 0.104 |
| Deuteranopia (no green cones) | #7B89AF | 0.096 |
| Tritanopia (no blue cones) | #00A6A3 | 0.034 |
| Achromatopsia (no color) | #8F8F8F | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #059EAF
#059EAF
oklch(64% 0.109 208.3)
- #C67166
#C67166
oklch(64% 0.109 28.3)
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 #059EAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.043
- Teal Green #0A9396 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.048
- Blue Green #0F9B8E ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.057
- Blue NCS #118AB2 ΔE 0.061
- Dull Teal #5F9E8F ΔE 0.063
Use #059EAF 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.