#21465D
Closest named color: Dark Grey Blue (#29465B). oklch(37.8% 0.058 238.2), rgb(33, 70, 93).
Aa
White text reads best on this color (10.00:1).
About this color
#21465D is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.009 away. White text reads best on it, at 10.00:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #21465D |
| RGB | rgb(33, 70, 93) |
| HSL | hsl(203, 48%, 25%) |
| OKLCH | oklch(37.8% 0.058 238.2) |
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 #21465D | 10.00:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #21465D | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #21465D text on white | 10.00:1 | AAA | Lc 93.1 | Preferred for body text |
| #21465D text on black | 2.09:1 | Fails | Lc -9.4 | 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
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A7C5DA
oklch(80.8% 0.044 238.6)
-
Step 400
400
#77A7C7
oklch(70.6% 0.07 238.2)
-
Step 500
500
#5291B9
oklch(63.1% 0.089 238.2)
-
Step 600
600
#347BA5
oklch(55.7% 0.096 238)
-
Step 700
700
#25678E
oklch(49% 0.091 238.7)
-
Step 800
800
#215473
oklch(42.6% 0.075 238.8)
-
Step 900
900 (this color)
#21465D
oklch(37.8% 0.058 238.2)
-
Step 950
950
#142936
oklch(27% 0.036 237.4)
#21465D 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) | #3B465E | 0.032 |
| Deuteranopia (no green cones) | #33405D | 0.027 |
| Tritanopia (no blue cones) | #004C4E | 0.043 |
| Achromatopsia (no color) | #424242 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21465D
#21465D
oklch(37.8% 0.058 238.2)
- #593A21
#593A21
oklch(37.9% 0.058 58.7)
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 #21465D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.009
- Charcoal #264653 ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.041
- Dark Teal #014D4E ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.047
- Midnight Green #073B4C ΔE 0.050
- Deep Teal #00555A ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.052
Use #21465D 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.