#052A42
Closest named color: Oxford Blue (#1B263B). oklch(27.4% 0.06 242.5), rgb(5, 42, 66).
Aa
White text reads best on this color (14.82:1).
About this color
#052A42 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.060 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 14.82:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.82:1 |
Values
| HEX | #052A42 |
| RGB | rgb(5, 42, 66) |
| HSL | hsl(204, 86%, 14%) |
| OKLCH | oklch(27.4% 0.06 242.5) |
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 #052A42 | 14.82:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #052A42 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #052A42 text on white | 14.82:1 | AAA | Lc 101.4 | Preferred for body text |
| #052A42 text on black | 1.41:1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C3DDF2
oklch(88.5% 0.04 242.4)
-
Step 300
300
#99C7EB
oklch(81% 0.07 242.3)
-
Step 400
400
#5BA8E1
oklch(70.6% 0.113 242.7)
-
Step 500
500
#1791D9
oklch(63% 0.145 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950 (this color)
#052A42
oklch(27.4% 0.06 242.5)
#052A42 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) | #1F2B43 | 0.029 |
| Deuteranopia (no green cones) | #162542 | 0.021 |
| Tritanopia (no blue cones) | #003033 | 0.040 |
| Achromatopsia (no color) | #282828 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #052A42
#052A42
oklch(27.4% 0.06 242.5)
- #3C2002
#3C2002
oklch(27.5% 0.06 63)
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 #052A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.049
- Jet #212529 ΔE 0.052
- Gunmetal #293241 ΔE 0.053
- Marine #042E60 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.057
- Midnight Green #073B4C ΔE 0.058
Use #052A42 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.