#235873
Closest named color: Petrol (#005F6A). oklch(43.7% 0.071 234), rgb(35, 88, 115).
Aa
White text reads best on this color (7.73:1).
About this color
#235873 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.071 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.034 away. White text reads best on it, at 7.73:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #235873 |
| RGB | rgb(35, 88, 115) |
| HSL | hsl(200, 53%, 29%) |
| OKLCH | oklch(43.7% 0.071 234) |
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 #235873 | 7.73:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #235873 | 2.71:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #235873 text on white | 7.73:1 | AAA | Lc 86.6 | Fine for body text |
| #235873 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D8
oklch(81% 0.042 233.5)
-
Step 400
400
#77A8C4
oklch(70.7% 0.066 234)
-
Step 500
500
#5192B5
oklch(63.1% 0.085 233.9)
-
Step 600
600
#327CA1
oklch(55.6% 0.092 233.7)
-
Step 700
700
#24688A
oklch(49.1% 0.086 234.4)
-
Step 800
800 (this color)
#235873
oklch(43.7% 0.071 234)
-
Step 900
900
#20465B
oklch(37.6% 0.056 235.2)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#235873 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) | #4B5774 | 0.045 |
| Deuteranopia (no green cones) | #404F73 | 0.039 |
| Tritanopia (no blue cones) | #005F61 | 0.046 |
| Achromatopsia (no color) | #535353 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #235873
#235873
oklch(43.7% 0.071 234)
- #70462A
#70462A
oklch(43.6% 0.071 53.5)
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 #235873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.034
- YInMn Blue #415A77 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.037
- Light Navy #155084 ΔE 0.044
- Deep Teal #00555A ΔE 0.048
- Dusk Blue #26538D ΔE 0.050
- Denim #3B638C ΔE 0.056
Use #235873 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.