#042346
Closest named color: Oxford Blue (#1B263B). oklch(25.7% 0.075 254.3), rgb(4, 35, 70).
Aa
White text reads best on this color (15.74:1).
About this color
#042346 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.075 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 15.74:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.74:1 |
Values
| HEX | #042346 |
| RGB | rgb(4, 35, 70) |
| HSL | hsl(212, 89%, 15%) |
| OKLCH | oklch(25.7% 0.075 254.3) |
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 #042346 | 15.74:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #042346 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #042346 text on white | 15.74:1 | AAA | Lc 102.4 | Preferred for body text |
| #042346 text on black | 1.33:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DCFA
oklch(88.6% 0.049 254.1)
-
Step 300
300
#99C4F9
oklch(80.9% 0.088 254)
-
Step 400
400
#5EA3F7
oklch(70.7% 0.142 254.4)
-
Step 500
500
#2889F3
oklch(63.1% 0.181 254.4)
-
Step 600
600
#0072D8
oklch(55.7% 0.178 254.2)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#03417E
oklch(37.8% 0.118 254.1)
-
Step 950
950 (this color)
#042346
oklch(25.7% 0.075 254.3)
#042346 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) | #102647 | 0.016 |
| Deuteranopia (no green cones) | #032045 | 0.010 |
| Tritanopia (no blue cones) | #002B31 | 0.054 |
| Achromatopsia (no color) | #232323 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #042346
#042346
oklch(25.7% 0.075 254.3)
- #321F00
#321F00
oklch(25.7% 0.054 76)
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 #042346, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.047
- Navy Blue #001146 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.055
- Marine #042E60 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.065
- Jet #212529 ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.071
Use #042346 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.