#013044
Closest named color: Oxford Blue (#1B263B). oklch(29.1% 0.059 232.9), rgb(1, 48, 68).
Aa
White text reads best on this color (13.92:1).
About this color
#013044 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.059 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.038 away. White text reads best on it, at 13.92:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.50:1 |
| White text | 13.92:1 |
Values
| HEX | #013044 |
| RGB | rgb(1, 48, 68) |
| HSL | hsl(198, 97%, 14%) |
| OKLCH | oklch(29.1% 0.059 232.9) |
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 #013044 | 13.92:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #013044 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #013044 text on white | 13.92:1 | AAA | Lc 100.2 | Preferred for body text |
| #013044 text on black | 1.50:1 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DDEDF5
oklch(93.7% 0.02 229)
-
Step 200
200
#C1DEEF
oklch(88.5% 0.039 233.6)
-
Step 300
300
#93C9E7
oklch(80.9% 0.07 233.1)
-
Step 400
400
#4DACDB
oklch(70.7% 0.112 233)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950 (this color)
#013044
oklch(29.1% 0.059 232.9)
#013044 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) | #263045 | 0.038 |
| Deuteranopia (no green cones) | #1D2A44 | 0.030 |
| Tritanopia (no blue cones) | #003537 | 0.034 |
| Achromatopsia (no color) | #2C2C2C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #013044
#013044
oklch(29.1% 0.059 232.9)
- #42220C
#42220C
oklch(29% 0.059 52.5)
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 #013044, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.038
- Midnight Green #073B4C ΔE 0.039
- Gunmetal #293241 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.046
- Dark #1B2431 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
- Marine #042E60 ΔE 0.053
Use #013044 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.