#021127
Closest named color: Rich Navy (#001219). oklch(17.8% 0.051 255.3), rgb(2, 17, 39).
Aa
White text reads best on this color (18.88:1).
About this color
#021127 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.051 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.031 away. White text reads best on it, at 18.88:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.88:1 |
Values
| HEX | #021127 |
| RGB | rgb(2, 17, 39) |
| HSL | hsl(216, 90%, 8%) |
| OKLCH | oklch(17.8% 0.051 255.3) |
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 #021127 | 18.88:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #021127 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #021127 text on white | 18.88:1 | AAA | Lc 105.2 | Preferred for body text |
| #021127 text on black | 1.11:1 | 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
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CBDBF0
oklch(88.6% 0.034 255.2)
-
Step 300
300
#A7C3E8
oklch(80.9% 0.061 255.5)
-
Step 400
400
#77A3DC
oklch(70.6% 0.097 255.2)
-
Step 500
500
#538BD3
oklch(63.1% 0.124 255.4)
-
Step 600
600
#3774C0
oklch(55.6% 0.134 255.3)
-
Step 700
700
#2961A6
oklch(49.2% 0.125 255.3)
-
Step 800
800
#234F86
oklch(42.6% 0.104 255.4)
-
Step 900
900
#22426B
oklch(37.6% 0.08 255.5)
-
Step 950
950 (this color)
#021127
oklch(17.8% 0.051 255.3)
#021127 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) | #061328 | 0.011 |
| Deuteranopia (no green cones) | #010F27 | 0.008 |
| Tritanopia (no blue cones) | #00161A | 0.037 |
| Achromatopsia (no color) | #111111 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021127
#021127
oklch(17.8% 0.051 255.3)
- #1B0E00
#1B0E00
oklch(17.8% 0.038 73.1)
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 #021127, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.031
- Rich Black #0D1B2A ΔE 0.042
- Dark Navy #000435 ΔE 0.049
- Almost Black #070D0D ΔE 0.054
- Dark Navy Blue #00022E ΔE 0.054
- Midnight #03012D ΔE 0.055
- Very Dark Blue #000133 ΔE 0.057
- Navy Blue #001146 ΔE 0.061
Use #021127 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.