#235F63
Closest named color: Petrol (#005F6A). oklch(44.9% 0.061 201.3), rgb(35, 95, 99).
Aa
White text reads best on this color (7.27:1).
About this color
#235F63 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.061 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.018 away. White text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #235F63 |
| RGB | rgb(35, 95, 99) |
| HSL | hsl(184, 48%, 26%) |
| OKLCH | oklch(44.9% 0.061 201.3) |
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 #235F63 | 7.27:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #235F63 | 2.88:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #235F63 text on white | 7.27:1 | AAA | Lc 85.0 | Fine for body text |
| #235F63 text on black | 2.88:1 | Fails | Lc -17.0 | 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
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8CA
oklch(80.9% 0.035 201)
-
Step 400
400
#75ACAF
oklch(70.7% 0.058 200.3)
-
Step 500
500
#4E979C
oklch(63.1% 0.073 201.3)
-
Step 600
600
#2C8187
oklch(55.6% 0.08 201.8)
-
Step 700
700
#1E6D72
oklch(49.1% 0.074 201.3)
-
Step 800
800 (this color)
#235F63
oklch(44.9% 0.061 201.3)
-
Step 900
900
#1E494C
oklch(37.6% 0.048 201.5)
-
Step 950
950
#132B2D
oklch(27.1% 0.03 202.6)
#235F63 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) | #585B63 | 0.062 |
| Deuteranopia (no green cones) | #4E5463 | 0.056 |
| Tritanopia (no blue cones) | #006360 | 0.021 |
| Achromatopsia (no color) | #575757 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #235F63
#235F63
oklch(44.9% 0.061 201.3)
- #734746
#734746
oklch(44.8% 0.061 21.2)
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 #235F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.018
- Dark Green Blue #1F6357 ΔE 0.027
- Dark Aqua #05696B ΔE 0.031
- Deep Teal #00555A ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.052
- YInMn Blue #415A77 ΔE 0.052
- Dark Blue Green #005249 ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.060
Use #235F63 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.