#235A63
Closest named color: Petrol (#005F6A). oklch(43.5% 0.059 209.9), rgb(35, 90, 99).
Aa
White text reads best on this color (7.73:1).
About this color
#235A63 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.059 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.020 away. White text reads best on it, at 7.73:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #235A63 |
| RGB | rgb(35, 90, 99) |
| HSL | hsl(188, 48%, 26%) |
| OKLCH | oklch(43.5% 0.059 209.9) |
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 #235A63 | 7.73:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #235A63 | 2.71:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #235A63 text on white | 7.73:1 | AAA | Lc 86.7 | Fine for body text |
| #235A63 text on black | 2.71:1 | Fails | Lc -15.4 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB4
oklch(70.6% 0.055 211.4)
-
Step 500
500
#5295A1
oklch(63% 0.07 210.4)
-
Step 600
600
#337F8C
oklch(55.5% 0.076 210.6)
-
Step 700
700
#246C77
oklch(49.2% 0.071 209.4)
-
Step 800
800 (this color)
#235A63
oklch(43.5% 0.059 209.9)
-
Step 900
900
#21484F
oklch(37.6% 0.046 210.7)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#235A63 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) | #525764 | 0.056 |
| Deuteranopia (no green cones) | #495063 | 0.051 |
| Tritanopia (no blue cones) | #005E5D | 0.025 |
| Achromatopsia (no color) | #535353 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #235A63
#235A63
oklch(43.5% 0.059 209.9)
- #6E453E
#6E453E
oklch(43.6% 0.058 30.2)
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 #235A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.020
- Deep Teal #00555A ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Aqua #05696B ΔE 0.046
- YInMn Blue #415A77 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.053
- Dark Teal #014D4E ΔE 0.056
Use #235A63 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.