#33425A
Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.046 259.6), rgb(51, 66, 90).
Aa
White text reads best on this color (10.15:1).
About this color
#33425A is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.046 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.016 away. White text reads best on it, at 10.15:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.15:1 |
Values
| HEX | #33425A |
| RGB | rgb(51, 66, 90) |
| HSL | hsl(217, 28%, 28%) |
| OKLCH | oklch(37.7% 0.046 259.6) |
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 #33425A | 10.15:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #33425A | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #33425A text on white | 10.15:1 | AAA | Lc 93.5 | Preferred for body text |
| #33425A text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D7
oklch(81% 0.033 258.4)
-
Step 400
400
#8DA2C3
oklch(70.8% 0.054 259.4)
-
Step 500
500
#708BB4
oklch(63.2% 0.069 258.6)
-
Step 600
600
#5974A0
oklch(55.6% 0.076 259.9)
-
Step 700
700
#486189
oklch(49% 0.071 259.6)
-
Step 800
800
#3C4F6F
oklch(42.6% 0.059 260.6)
-
Step 900
900 (this color)
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#33425A 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) | #39435B | 0.010 |
| Deuteranopia (no green cones) | #354059 | 0.006 |
| Tritanopia (no blue cones) | #26474A | 0.041 |
| Achromatopsia (no color) | #414141 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33425A
#33425A
oklch(37.7% 0.046 259.6)
- #4E3F25
#4E3F25
oklch(37.7% 0.045 80.5)
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 #33425A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.016
- Charcoal #264653 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.042
- Onyx #343A40 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
- Midnight Green #073B4C ΔE 0.058
Use #33425A 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.