#33425F
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.054 263), rgb(51, 66, 95).
Aa
White text reads best on this color (10.07:1).
About this color
#33425F is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.054 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.020 away. White text reads best on it, at 10.07:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #33425F |
| RGB | rgb(51, 66, 95) |
| HSL | hsl(220, 30%, 29%) |
| OKLCH | oklch(37.9% 0.054 263) |
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 #33425F | 10.07:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #33425F | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #33425F text on white | 10.07:1 | AAA | Lc 93.3 | Preferred for body text |
| #33425F text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1D9E8
oklch(88.4% 0.022 263.2)
-
Step 300
300
#B3C1DB
oklch(80.9% 0.04 262.9)
-
Step 400
400
#8CA1CA
oklch(70.8% 0.065 263.6)
-
Step 500
500
#6F89BC
oklch(63% 0.083 263.4)
-
Step 600
600
#5773A8
oklch(55.7% 0.089 262.5)
-
Step 700
700
#476090
oklch(49.1% 0.083 262.7)
-
Step 800
800
#3B4E75
oklch(42.6% 0.069 263.9)
-
Step 900
900 (this color)
#33425F
oklch(37.9% 0.054 263)
-
Step 950
950
#1E2637
oklch(26.9% 0.034 264.8)
#33425F 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) | #384460 | 0.010 |
| Deuteranopia (no green cones) | #33405E | 0.006 |
| Tritanopia (no blue cones) | #23484C | 0.048 |
| Achromatopsia (no color) | #424242 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33425F
#33425F
oklch(37.9% 0.054 263)
- #50401F
#50401F
oklch(38% 0.054 83.9)
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 #33425F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.020
- Charcoal #264653 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.050
- Onyx #343A40 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.057
Use #33425F 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.