#234E80
Closest named color: Light Navy (#155084). oklch(42% 0.096 253.9), rgb(35, 78, 128).
Aa
White text reads best on this color (8.49:1).
About this color
#234E80 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.096 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.011 away. White text reads best on it, at 8.49:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #234E80 |
| RGB | rgb(35, 78, 128) |
| HSL | hsl(212, 57%, 32%) |
| OKLCH | oklch(42% 0.096 253.9) |
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 #234E80 | 8.49:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #234E80 | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #234E80 text on white | 8.49:1 | AAA | Lc 89.0 | Fine for body text |
| #234E80 text on black | 2.47:1 | Fails | Lc -13.2 | 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
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A8C3E5
oklch(80.9% 0.057 254.3)
-
Step 400
400
#79A4D8
oklch(70.8% 0.09 253.7)
-
Step 500
500
#558CCE
oklch(63.1% 0.116 253.9)
-
Step 600
600
#3975BA
oklch(55.6% 0.125 253.6)
-
Step 700
700
#2B62A1
oklch(49.1% 0.117 253.8)
-
Step 800
800 (this color)
#234E80
oklch(42% 0.096 253.9)
-
Step 900
900
#234368
oklch(37.7% 0.074 253.3)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#234E80 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) | #375182 | 0.025 |
| Deuteranopia (no green cones) | #29497F | 0.015 |
| Tritanopia (no blue cones) | #005A61 | 0.075 |
| Achromatopsia (no color) | #4D4D4D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234E80
#234E80
oklch(42% 0.096 253.9)
- #694400
#694400
oklch(41.9% 0.089 74)
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 #234E80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.011
- Deep Sea Blue #015482 ΔE 0.022
- Dusk Blue #26538D ΔE 0.025
- Cobalt #1E488F ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
Use #234E80 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.