#235E6B
Closest named color: Petrol (#005F6A). oklch(44.9% 0.064 214.8), rgb(35, 94, 107).
Aa
White text reads best on this color (7.27:1).
About this color
#235E6B is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.064 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.016 away. White text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #235E6B |
| RGB | rgb(35, 94, 107) |
| HSL | hsl(191, 51%, 28%) |
| OKLCH | oklch(44.9% 0.064 214.8) |
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 #235E6B | 7.27:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #235E6B | 2.88:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #235E6B text on white | 7.27:1 | AAA | Lc 85.1 | Fine for body text |
| #235E6B text on black | 2.88:1 | Fails | Lc -16.9 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A6C7D0
oklch(80.8% 0.038 216.1)
-
Step 400
400
#75ABB8
oklch(70.8% 0.06 214.4)
-
Step 500
500
#4E95A6
oklch(63% 0.076 215.3)
-
Step 600
600
#2C7F91
oklch(55.5% 0.082 215)
-
Step 700
700
#1D6C7C
oklch(49.2% 0.077 214.5)
-
Step 800
800 (this color)
#235E6B
oklch(44.9% 0.064 214.8)
-
Step 900
900
#1E4852
oklch(37.6% 0.049 215.6)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#235E6B 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) | #555B6C | 0.058 |
| Deuteranopia (no green cones) | #4A536B | 0.052 |
| Tritanopia (no blue cones) | #006362 | 0.029 |
| Achromatopsia (no color) | #575757 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #235E6B
#235E6B
oklch(44.9% 0.064 214.8)
- #74483D
#74483D
oklch(44.9% 0.063 34.7)
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 #235E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.016
- Dark Aqua #05696B ΔE 0.036
- YInMn Blue #415A77 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.042
- Deep Teal #00555A ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.055
- Slate #516572 ΔE 0.058
Use #235E6B 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.