#021623
Closest named color: Rich Navy (#001219). oklch(19.1% 0.038 238.4), rgb(2, 22, 35).
Aa
White text reads best on this color (18.39:1).
About this color
#021623 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.038 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.025 away. White text reads best on it, at 18.39:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.39:1 |
Values
| HEX | #021623 |
| RGB | rgb(2, 22, 35) |
| HSL | hsl(204, 89%, 7%) |
| OKLCH | oklch(19.1% 0.038 238.4) |
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 #021623 | 18.39:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #021623 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #021623 text on white | 18.39:1 | AAA | Lc 104.9 | Preferred for body text |
| #021623 text on black | 1.14:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A6C5DB
oklch(80.8% 0.046 239.1)
-
Step 400
400
#75A7C9
oklch(70.6% 0.073 238.9)
-
Step 500
500
#4F91BB
oklch(63% 0.093 238.5)
-
Step 600
600
#2F7BA7
oklch(55.6% 0.1 238)
-
Step 700
700
#216790
oklch(49% 0.094 239.1)
-
Step 800
800
#1E5474
oklch(42.6% 0.077 238.6)
-
Step 900
900
#1F465E
oklch(37.7% 0.06 238.3)
-
Step 950
950 (this color)
#021623
oklch(19.1% 0.038 238.4)
#021623 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) | #101624 | 0.021 |
| Deuteranopia (no green cones) | #0B1323 | 0.016 |
| Tritanopia (no blue cones) | #00191B | 0.023 |
| Achromatopsia (no color) | #141414 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021623
#021623
oklch(19.1% 0.038 238.4)
- #200F03
#200F03
oklch(19% 0.037 57.8)
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 #021623, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.025
- Rich Black #0D1B2A ΔE 0.028
- Almost Black #070D0D ΔE 0.050
- Dark #1B2431 ΔE 0.069
- Dark Navy #000435 ΔE 0.070
- Navy Blue #001146 ΔE 0.072
- Dark Navy Blue #00022E ΔE 0.075
- Midnight #03012D ΔE 0.077
Use #021623 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.