#33426E
Closest named color: Twilight Blue (#0A437A). oklch(38.8% 0.078 268.4), rgb(51, 66, 110).
Aa
White text reads best on this color (9.78:1).
About this color
#33426E is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.078 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.040 away. White text reads best on it, at 9.78:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #33426E |
| RGB | rgb(51, 66, 110) |
| HSL | hsl(225, 37%, 32%) |
| OKLCH | oklch(38.8% 0.078 268.4) |
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 #33426E | 9.78:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #33426E | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #33426E text on white | 9.78:1 | AAA | Lc 92.6 | Preferred for body text |
| #33426E text on black | 2.14:1 | Fails | Lc -9.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B1C0E7
oklch(80.9% 0.058 268.6)
-
Step 400
400
#889EDB
oklch(70.6% 0.093 268.7)
-
Step 500
500
#6B85D1
oklch(63% 0.119 268.5)
-
Step 600
600
#546EBF
oklch(55.7% 0.129 268.6)
-
Step 700
700
#445BA4
oklch(49% 0.12 268.5)
-
Step 800
800
#384B85
oklch(42.7% 0.099 268.3)
-
Step 900
900 (this color)
#33426E
oklch(38.8% 0.078 268.4)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#33426E 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) | #314670 | 0.012 |
| Deuteranopia (no green cones) | #2A416D | 0.013 |
| Tritanopia (no blue cones) | #194B52 | 0.069 |
| Achromatopsia (no color) | #444444 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33426E
#33426E
oklch(38.8% 0.078 268.4)
- #564203
#564203
oklch(39% 0.078 88.5)
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 #33426E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.041
- Light Navy #155084 ΔE 0.053
- Charcoal #264653 ΔE 0.055
- Cobalt #1E488F ΔE 0.057
- Marine Blue #01386A ΔE 0.060
- Deep Sea Blue #015482 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.062
Use #33426E 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.