#101003
Closest named color: Almost Black (#070D0D). oklch(16.8% 0.028 109), rgb(16, 16, 3).
Aa
White text reads best on this color (19.13:1).
About this color
#101003 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.033 away. White text reads best on it, at 19.13:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.13:1 |
Values
| HEX | #101003 |
| RGB | rgb(16, 16, 3) |
| HSL | hsl(60, 68%, 4%) |
| OKLCH | oklch(16.8% 0.028 109) |
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 #101003 | 19.13:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #101003 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #101003 text on white | 19.13:1 | AAA | Lc 105.5 | Preferred for body text |
| #101003 text on black | 1.09:1 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACD
oklch(88.5% 0.018 106.8)
-
Step 300
300
#C2C3AB
oklch(81% 0.033 109.1)
-
Step 400
400
#A3A47E
oklch(70.8% 0.053 108.9)
-
Step 500
500
#8C8D5D
oklch(63.1% 0.067 109.2)
-
Step 600
600
#767743
oklch(55.6% 0.073 109.5)
-
Step 700
700
#646435
oklch(49.2% 0.067 108.6)
-
Step 800
800
#51522C
oklch(42.8% 0.057 109.9)
-
Step 900
900
#434428
oklch(37.8% 0.044 110.1)
-
Step 950
950 (this color)
#101003
oklch(16.8% 0.028 109)
#101003 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) | #120F02 | 0.005 |
| Deuteranopia (no green cones) | #121003 | 0.004 |
| Tritanopia (no blue cones) | #120E0D | 0.027 |
| Achromatopsia (no color) | #0F0F0F | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101003
#101003
oklch(16.8% 0.028 109)
- #0F0D1A
#0F0D1A
oklch(16.9% 0.027 290.3)
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 #101003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.033
- Rich Navy #001219 ΔE 0.049
- Very Dark Brown #1D0200 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.077
- Dark Brown #341C02 ΔE 0.094
- Jet #212529 ΔE 0.100
- Dark #1B2431 ΔE 0.104
- Dark Forest Green #002D04 ΔE 0.109
Use #101003 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.