#234E88
Closest named color: Light Navy (#155084). oklch(42.5% 0.108 256.7), rgb(35, 78, 136).
Aa
White text reads best on this color (8.34:1).
About this color
#234E88 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.108 and its hue 257°. 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 8.34:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #234E88 |
| RGB | rgb(35, 78, 136) |
| HSL | hsl(214, 59%, 34%) |
| OKLCH | oklch(42.5% 0.108 256.7) |
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 #234E88 | 8.34:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #234E88 | 2.51:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #234E88 text on white | 8.34:1 | AAA | Lc 88.5 | Fine for body text |
| #234E88 text on black | 2.51:1 | Fails | Lc -13.7 | 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
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CBDBF1
oklch(88.6% 0.035 256.3)
-
Step 300
300
#A7C3EA
oklch(81% 0.063 256.7)
-
Step 400
400
#77A3DF
oklch(70.8% 0.101 256.3)
-
Step 500
500
#538AD6
oklch(63% 0.129 256.8)
-
Step 600
600
#3773C3
oklch(55.6% 0.139 256.5)
-
Step 700
700
#2960A9
oklch(49.1% 0.131 256.6)
-
Step 800
800 (this color)
#234E88
oklch(42.5% 0.108 256.7)
-
Step 900
900
#22426D
oklch(37.7% 0.083 256.4)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#234E88 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) | #32538A | 0.023 |
| Deuteranopia (no green cones) | #224A87 | 0.012 |
| Tritanopia (no blue cones) | #005C64 | 0.085 |
| Achromatopsia (no color) | #4E4E4E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234E88
#234E88
oklch(42.5% 0.108 256.7)
- #694700
#694700
oklch(42.5% 0.089 77.5)
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 #234E88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.014
- Dusk Blue #26538D ΔE 0.016
- Cobalt #1E488F ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.050
- Twilight #4E518B ΔE 0.055
Use #234E88 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.