#21485F
Closest named color: Dark Grey Blue (#29465B). oklch(38.4% 0.059 237), rgb(33, 72, 95).
Aa
White text reads best on this color (9.73:1).
About this color
#21485F is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.059 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.010 away. White text reads best on it, at 9.73:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #21485F |
| RGB | rgb(33, 72, 95) |
| HSL | hsl(202, 48%, 25%) |
| OKLCH | oklch(38.4% 0.059 237) |
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 #21485F | 9.73:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #21485F | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #21485F text on white | 9.73:1 | AAA | Lc 92.4 | Preferred for body text |
| #21485F text on black | 2.15:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A6C6DA
oklch(81% 0.045 235.5)
-
Step 400
400
#76A8C8
oklch(70.8% 0.071 237.2)
-
Step 500
500
#4F92B9
oklch(63.2% 0.09 236.1)
-
Step 600
600
#307BA6
oklch(55.6% 0.099 237.6)
-
Step 700
700
#21688E
oklch(49.2% 0.092 236.7)
-
Step 800
800
#1E5573
oklch(42.8% 0.075 236.4)
-
Step 900
900 (this color)
#21485F
oklch(38.4% 0.059 237)
-
Step 950
950
#132936
oklch(26.9% 0.037 236.3)
#21485F 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) | #3D4860 | 0.035 |
| Deuteranopia (no green cones) | #35415F | 0.030 |
| Tritanopia (no blue cones) | #004E50 | 0.042 |
| Achromatopsia (no color) | #444444 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21485F
#21485F
oklch(38.4% 0.059 237)
- #5B3B23
#5B3B23
oklch(38.4% 0.058 56.8)
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 #21485F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.010
- Charcoal #264653 ΔE 0.020
- Dark Teal #014D4E ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.047
- Deep Teal #00555A ΔE 0.047
- Twilight Blue #0A437A ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.055
Use #21485F 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.