#234C81
Closest named color: Light Navy (#155084). oklch(41.5% 0.1 255.9), rgb(35, 76, 129).
Aa
White text reads best on this color (8.66:1).
About this color
#234C81 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.100 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.014 away. White text reads best on it, at 8.66:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #234C81 |
| RGB | rgb(35, 76, 129) |
| HSL | hsl(214, 57%, 32%) |
| OKLCH | oklch(41.5% 0.1 255.9) |
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 #234C81 | 8.66:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #234C81 | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #234C81 text on white | 8.66:1 | AAA | Lc 89.5 | Fine for body text |
| #234C81 text on black | 2.42:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A8C3E7
oklch(80.9% 0.059 255.7)
-
Step 400
400
#7AA3DB
oklch(70.8% 0.094 256.4)
-
Step 500
500
#578BD1
oklch(63.1% 0.12 256.2)
-
Step 600
600
#3B74BE
oklch(55.7% 0.13 255.9)
-
Step 700
700
#2D61A4
oklch(49.2% 0.121 255.9)
-
Step 800
800 (this color)
#234C81
oklch(41.5% 0.1 255.9)
-
Step 900
900
#24426A
oklch(37.6% 0.078 256.2)
-
Step 950
950
#15273E
oklch(27% 0.049 255.2)
#234C81 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) | #335083 | 0.022 |
| Deuteranopia (no green cones) | #254780 | 0.014 |
| Tritanopia (no blue cones) | #005860 | 0.078 |
| Achromatopsia (no color) | #4B4B4B | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234C81
#234C81
oklch(41.5% 0.1 255.9)
- #674400
#674400
oklch(41.6% 0.088 75.6)
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 #234C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.014
- Deep Sea Blue #015482 ΔE 0.027
- Dusk Blue #26538D ΔE 0.027
- Cobalt #1E488F ΔE 0.028
- Twilight Blue #0A437A ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.059
- Twilight #4E518B ΔE 0.060
Use #234C81 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.