#426A75
Closest named color: Slate (#516572). oklch(49.9% 0.048 217.1), rgb(66, 106, 117).
Aa
White text reads best on this color (5.91:1).
About this color
#426A75 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.048 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.021 away. White text reads best on it, at 5.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.55:1 |
| White text | 5.91:1 |
Values
| HEX | #426A75 |
| RGB | rgb(66, 106, 117) |
| HSL | hsl(193, 28%, 36%) |
| OKLCH | oklch(49.9% 0.048 217.1) |
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 #426A75 | 5.91:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #426A75 | 3.55:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #426A75 text on white | 5.91:1 | AA | Lc 79.5 | Fine for body text |
| #426A75 text on black | 3.55:1 | AA large text | Lc -22.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300
#B1C5CA
oklch(81% 0.023 214.4)
-
Step 400
400
#87A7B0
oklch(70.7% 0.038 216.7)
-
Step 500
500
#68919C
oklch(63.1% 0.048 216.2)
-
Step 600
600
#4F7B87
oklch(55.6% 0.052 216.9)
-
Step 700
700 (this color)
#426A75
oklch(49.9% 0.048 217.1)
-
Step 800
800
#35555D
oklch(42.8% 0.04 215.3)
-
Step 900
900
#2E464C
oklch(37.7% 0.031 215.1)
-
Step 950
950
#1B292D
oklch(27% 0.02 217.4)
#426A75 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) | #636876 | 0.043 |
| Deuteranopia (no green cones) | #5B6175 | 0.040 |
| Tritanopia (no blue cones) | #2C6E6D | 0.029 |
| Achromatopsia (no color) | #646464 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #426A75
#426A75
oklch(49.9% 0.048 217.1)
- #7C5A4F
#7C5A4F
oklch(50% 0.048 38.7)
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 #426A75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- Deep Turquoise #017374 ΔE 0.045
- Dark Aqua #05696B ΔE 0.046
- Dark Aquamarine #017371 ΔE 0.047
- Metallic Blue #4F738E ΔE 0.047
- Deep Aqua #08787F ΔE 0.048
- Denim #3B638C ΔE 0.049
- YInMn Blue #415A77 ΔE 0.051
Use #426A75 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.