#33425D
Closest named color: Dark Grey Blue (#29465B). oklch(37.8% 0.05 261.8), rgb(51, 66, 93).
Aa
White text reads best on this color (10.10:1).
About this color
#33425D is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.050 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.018 away. White text reads best on it, at 10.10:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.07:1 |
| White text | 10.10:1 |
Values
| HEX | #33425D |
| RGB | rgb(51, 66, 93) |
| HSL | hsl(219, 29%, 28%) |
| OKLCH | oklch(37.8% 0.05 261.8) |
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 #33425D | 10.10:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #33425D | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #33425D text on white | 10.10:1 | AAA | Lc 93.4 | Preferred for body text |
| #33425D text on black | 2.07:1 | Fails | Lc -9.1 | 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
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE7
oklch(88.6% 0.02 260.2)
-
Step 300
300
#B3C1DA
oklch(80.8% 0.039 262.1)
-
Step 400
400
#8CA1C7
oklch(70.6% 0.061 262.2)
-
Step 500
500
#708AB9
oklch(63.2% 0.077 262)
-
Step 600
600
#5873A5
oklch(55.6% 0.085 262.2)
-
Step 700
700
#48608D
oklch(49% 0.078 262.4)
-
Step 800
800
#3B4F73
oklch(42.7% 0.065 261.7)
-
Step 900
900 (this color)
#33425D
oklch(37.8% 0.05 261.8)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#33425D 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) | #38445E | 0.010 |
| Deuteranopia (no green cones) | #34405C | 0.006 |
| Tritanopia (no blue cones) | #24484B | 0.046 |
| Achromatopsia (no color) | #424242 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33425D
#33425D
oklch(37.8% 0.05 261.8)
- #4F3F21
#4F3F21
oklch(37.7% 0.05 82)
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 #33425D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.018
- Charcoal #264653 ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.047
- Onyx #343A40 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.055
- Twilight Blue #0A437A ΔE 0.059
Use #33425D 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.