#01153E
Closest named color: Navy Blue (#001146). oklch(21.1% 0.084 260.5), rgb(1, 21, 62).
Aa
White text reads best on this color (17.82:1).
About this color
#01153E is a very dark, moderately saturated blue. In OKLCH its lightness is 21%, its chroma 0.084 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.019 away. White text reads best on it, at 17.82:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.17:1 |
| White text | 17.82:1 |
Values
| HEX | #01153E |
| RGB | rgb(1, 21, 62) |
| HSL | hsl(220, 97%, 12%) |
| OKLCH | oklch(21.1% 0.084 260.5) |
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 #01153E | 17.82:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #01153E | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #01153E text on white | 17.82:1 | AAA | Lc 104.3 | Preferred for body text |
| #01153E text on black | 1.17:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9DC2FF
oklch(81% 0.096 260.2)
-
Step 400
400
#679FFF
oklch(70.7% 0.153 260.6)
-
Step 500
500
#3B83FF
oklch(63.1% 0.198 260.5)
-
Step 600
600
#1167F1
oklch(55.5% 0.221 260.6)
-
Step 700
700
#0155D2
oklch(49.2% 0.205 260.5)
-
Step 800
800
#0846A9
oklch(42.6% 0.17 260.5)
-
Step 900
900
#113D86
oklch(37.8% 0.132 260.2)
-
Step 950
950 (this color)
#01153E
oklch(21.1% 0.084 260.5)
#01153E 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) | #001B3F | 0.019 |
| Deuteranopia (no green cones) | #00153D | 0.003 |
| Tritanopia (no blue cones) | #001F26 | 0.063 |
| Achromatopsia (no color) | #181818 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01153E
#01153E
oklch(21.1% 0.084 260.5)
- #231600
#231600
oklch(21.2% 0.044 80.4)
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 #01153E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.019
- Night Blue #040348 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.049
- Dark Navy #000435 ΔE 0.053
- Dark Indigo #1F0954 ΔE 0.065
- Very Dark Blue #000133 ΔE 0.065
- Dark Navy Blue #00022E ΔE 0.069
- Midnight #03012D ΔE 0.071
Use #01153E 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.