#0B1035
Closest named color: Navy Blue (#001146). oklch(19.6% 0.072 272.1), rgb(11, 16, 53).
Aa
White text reads best on this color (18.42:1).
About this color
#0B1035 is a very dark, moderately saturated blue. In OKLCH its lightness is 20%, its chroma 0.072 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.036 away. White text reads best on it, at 18.42:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.13:1 |
| White text | 18.42:1 |
Values
| HEX | #0B1035 |
| RGB | rgb(11, 16, 53) |
| HSL | hsl(233, 66%, 13%) |
| OKLCH | oklch(19.6% 0.072 272.1) |
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 #0B1035 | 18.42:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #0B1035 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #0B1035 text on white | 18.42:1 | AAA | Lc 104.9 | Preferred for body text |
| #0B1035 text on black | 1.13:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF9
oklch(81% 0.086 271.9)
-
Step 400
400
#839AF6
oklch(70.8% 0.137 271.9)
-
Step 500
500
#667DF2
oklch(63% 0.176 272.1)
-
Step 600
600
#5063E0
oklch(55.5% 0.19 272.2)
-
Step 700
700
#4151C3
oklch(49% 0.178 272.1)
-
Step 800
800
#35439E
oklch(42.6% 0.148 272)
-
Step 900
900
#2E3A7D
oklch(37.7% 0.114 272.2)
-
Step 950
950 (this color)
#0B1035
oklch(19.6% 0.072 272.1)
#0B1035 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) | #001636 | 0.022 |
| Deuteranopia (no green cones) | #001234 | 0.018 |
| Tritanopia (no blue cones) | #001920 | 0.059 |
| Achromatopsia (no color) | #141414 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1035
#0B1035
oklch(19.6% 0.072 272.1)
- #1C1400
#1C1400
oklch(19.6% 0.04 90.3)
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 #0B1035, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.036
- Dark Navy #000435 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.046
- Night Blue #040348 ΔE 0.048
- Very Dark Blue #000133 ΔE 0.056
- Midnight #03012D ΔE 0.056
- Dark Navy Blue #00022E ΔE 0.057
- Rich Navy #001219 ΔE 0.063
Use #0B1035 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.