#010E23
Closest named color: Rich Navy (#001219). oklch(16.5% 0.05 255.1), rgb(1, 14, 35).
Aa
White text reads best on this color (19.29:1).
About this color
#010E23 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.050 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.029 away. White text reads best on it, at 19.29:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.29:1 |
Values
| HEX | #010E23 |
| RGB | rgb(1, 14, 35) |
| HSL | hsl(217, 94%, 7%) |
| OKLCH | oklch(16.5% 0.05 255.1) |
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 #010E23 | 19.29:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #010E23 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #010E23 text on white | 19.29:1 | AAA | Lc 105.5 | Preferred for body text |
| #010E23 text on black | 1.08:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A8C3E7
oklch(80.9% 0.059 255.7)
-
Step 400
400
#78A3DB
oklch(70.6% 0.095 255.3)
-
Step 500
500
#558BD1
oklch(63% 0.121 255.5)
-
Step 600
600
#3974BE
oklch(55.6% 0.131 255.3)
-
Step 700
700
#2B61A4
oklch(49.1% 0.122 255.3)
-
Step 800
800
#255085
oklch(42.9% 0.1 255)
-
Step 900
900
#23426A
oklch(37.6% 0.078 255.6)
-
Step 950
950 (this color)
#010E23
oklch(16.5% 0.05 255.1)
#010E23 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) | #041024 | 0.011 |
| Deuteranopia (no green cones) | #000C23 | 0.008 |
| Tritanopia (no blue cones) | #001316 | 0.037 |
| Achromatopsia (no color) | #0E0E0E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010E23
#010E23
oklch(16.5% 0.05 255.1)
- #170C00
#170C00
oklch(16.6% 0.035 75.9)
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 #010E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.029
- Almost Black #070D0D ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.047
- Dark Navy #000435 ΔE 0.047
- Midnight #03012D ΔE 0.048
- Very Dark Blue #000133 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.055
- Navy Blue #001146 ΔE 0.070
Use #010E23 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.