#234475
Closest named color: Twilight Blue (#0A437A). oklch(38.8% 0.092 258.2), rgb(35, 68, 117).
Aa
White text reads best on this color (9.74:1).
About this color
#234475 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.092 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.020 away. White text reads best on it, at 9.74:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #234475 |
| RGB | rgb(35, 68, 117) |
| HSL | hsl(216, 54%, 30%) |
| OKLCH | oklch(38.8% 0.092 258.2) |
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 #234475 | 9.74:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #234475 | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #234475 text on white | 9.74:1 | AAA | Lc 92.4 | Preferred for body text |
| #234475 text on black | 2.15:1 | Fails | Lc -10.1 | 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
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A5C2EE
oklch(80.8% 0.07 258.6)
-
Step 400
400
#75A2E5
oklch(70.7% 0.11 258.1)
-
Step 500
500
#5089DE
oklch(63.1% 0.142 258.2)
-
Step 600
600
#3371CB
oklch(55.5% 0.154 258.1)
-
Step 700
700
#265EB0
oklch(49.1% 0.143 258.3)
-
Step 800
800
#214D8E
oklch(42.6% 0.118 258.3)
-
Step 900
900 (this color)
#234475
oklch(38.8% 0.092 258.2)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#234475 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) | #2E4877 | 0.019 |
| Deuteranopia (no green cones) | #214074 | 0.013 |
| Tritanopia (no blue cones) | #004F56 | 0.075 |
| Achromatopsia (no color) | #444444 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234475
#234475
oklch(38.8% 0.092 258.2)
- #5C3E00
#5C3E00
oklch(38.8% 0.081 77.9)
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 #234475, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.020
- Light Navy #155084 ΔE 0.039
- Cobalt #1E488F ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.049
- Marine Blue #01386A ΔE 0.050
- Dusk Blue #26538D ΔE 0.056
- Charcoal #264653 ΔE 0.061
Use #234475 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.