#012B3D
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.055 232.4), rgb(1, 43, 61).
Aa
White text reads best on this color (14.84:1).
About this color
#012B3D is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.055 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.84:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.84:1 |
Values
| HEX | #012B3D |
| RGB | rgb(1, 43, 61) |
| HSL | hsl(198, 97%, 12%) |
| OKLCH | oklch(27.2% 0.055 232.4) |
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 #012B3D | 14.84:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #012B3D | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #012B3D text on white | 14.84:1 | AAA | Lc 101.4 | Preferred for body text |
| #012B3D 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEED
oklch(88.5% 0.035 232.1)
-
Step 300
300
#97C9E4
oklch(81% 0.065 232.2)
-
Step 400
400
#56ACD6
oklch(70.8% 0.103 232)
-
Step 500
500
#0095CA
oklch(63% 0.13 232.7)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950 (this color)
#012B3D
oklch(27.2% 0.055 232.4)
#012B3D 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) | #222B3E | 0.035 |
| Deuteranopia (no green cones) | #1A253D | 0.030 |
| Tritanopia (no blue cones) | #003031 | 0.033 |
| Achromatopsia (no color) | #272727 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012B3D
#012B3D
oklch(27.2% 0.055 232.4)
- #3B1E0A
#3B1E0A
oklch(27% 0.055 52.6)
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 #012B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.052
- Gunmetal #293241 ΔE 0.054
- Midnight Green #073B4C ΔE 0.058
- Rich Black #0D1B2A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.063
Use #012B3D 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.