#002028
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.04 217.6), rgb(0, 32, 40).
Aa
White text reads best on this color (16.97:1).
About this color
#002028 is a very dark, muted teal or cyan. In OKLCH its lightness is 22%, its chroma 0.040 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.024 away. White text reads best on it, at 16.97:1.
| Hue family | Teals and cyans |
| Lightness | very dark (22%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 16.97:1 |
Values
| HEX | #002028 |
| RGB | rgb(0, 32, 40) |
| HSL | hsl(192, 100%, 8%) |
| OKLCH | oklch(22.5% 0.04 217.6) |
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 #002028 | 16.97:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #002028 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #002028 text on white | 16.97:1 | AAA | Lc 103.7 | Preferred for body text |
| #002028 text on black | 1.23:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE5
oklch(88.6% 0.026 218)
-
Step 300
300
#9FC9D5
oklch(81% 0.047 217.1)
-
Step 400
400
#66ADC0
oklch(70.8% 0.076 216.9)
-
Step 500
500
#3298B0
oklch(63.2% 0.097 216.9)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#0A4958
oklch(37.6% 0.064 218.8)
-
Step 950
950 (this color)
#002028
oklch(22.5% 0.04 217.6)
#002028 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) | #1B1F28 | 0.035 |
| Deuteranopia (no green cones) | #151B28 | 0.030 |
| Tritanopia (no blue cones) | #002323 | 0.017 |
| Achromatopsia (no color) | #1C1C1C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002028
#002028
oklch(22.5% 0.04 217.6)
- #2C140D
#2C140D
oklch(22.4% 0.042 37.1)
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 #002028, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.024
- Dark #1B2431 ΔE 0.042
- Jet #212529 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.055
- Rich Navy #001219 ΔE 0.056
- Almost Black #070D0D ΔE 0.079
- Navy Blue #001146 ΔE 0.080
- Dark Forest Green #002D04 ΔE 0.088
Use #002028 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.