#234376
Closest named color: Twilight Blue (#0A437A). oklch(38.6% 0.095 259.3), rgb(35, 67, 118).
Aa
White text reads best on this color (9.83:1).
About this color
#234376 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.095 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.019 away. White text reads best on it, at 9.83:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #234376 |
| RGB | rgb(35, 67, 118) |
| HSL | hsl(217, 54%, 30%) |
| OKLCH | oklch(38.6% 0.095 259.3) |
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 #234376 | 9.83:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #234376 | 2.13:1 | Fails | Lc 11.4 | Not readable |
| #234376 text on white | 9.83:1 | AAA | Lc 92.6 | Preferred for body text |
| #234376 text on black | 2.13:1 | Fails | Lc -9.9 | Not readable |
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 900.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2EF
oklch(80.9% 0.071 259.8)
-
Step 400
400
#75A1E7
oklch(70.6% 0.114 259.4)
-
Step 500
500
#5188E0
oklch(63% 0.145 259.4)
-
Step 600
600
#3570CE
oklch(55.6% 0.158 259.4)
-
Step 700
700
#275DB2
oklch(49% 0.147 259.3)
-
Step 800
800
#224D90
oklch(42.8% 0.121 259.1)
-
Step 900
900 (this color)
#234376
oklch(38.6% 0.095 259.3)
-
Step 950
950
#142643
oklch(27% 0.059 259.5)
#234376 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) | #2B4878 | 0.019 |
| Deuteranopia (no green cones) | #1E4075 | 0.011 |
| Tritanopia (no blue cones) | #004F56 | 0.078 |
| Achromatopsia (no color) | #434343 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234376
#234376
oklch(38.6% 0.095 259.3)
- #5B3E00
#5B3E00
oklch(38.7% 0.08 78.8)
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 #234376, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.019
- Light Navy #155084 ΔE 0.041
- Cobalt #1E488F ΔE 0.042
- Marine Blue #01386A ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.051
- Dusk Blue #26538D ΔE 0.057
- Charcoal #264653 ΔE 0.064
Use #234376 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.