#33436E
Closest named color: Dark Grey Blue (#29465B). oklch(39% 0.076 267.4), rgb(51, 67, 110).
Aa
White text reads best on this color (9.68:1).
About this color
#33436E is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.039 away. White text reads best on it, at 9.68:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #33436E |
| RGB | rgb(51, 67, 110) |
| HSL | hsl(224, 37%, 32%) |
| OKLCH | oklch(39% 0.076 267.4) |
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 #33436E | 9.68:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #33436E | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #33436E text on white | 9.68:1 | AAA | Lc 92.3 | Preferred for body text |
| #33436E text on black | 2.16:1 | Fails | Lc -10.1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E7
oklch(80.9% 0.058 267.6)
-
Step 400
400
#879FDA
oklch(70.7% 0.091 267)
-
Step 500
500
#6A86D0
oklch(63.1% 0.116 267.3)
-
Step 600
600
#526FBD
oklch(55.7% 0.126 266.9)
-
Step 700
700
#435CA3
oklch(49.1% 0.118 267.4)
-
Step 800
800
#374B84
oklch(42.6% 0.098 267.6)
-
Step 900
900 (this color)
#33436E
oklch(39% 0.076 267.4)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#33436E 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) | #324770 | 0.012 |
| Deuteranopia (no green cones) | #2C426D | 0.010 |
| Tritanopia (no blue cones) | #184C53 | 0.068 |
| Achromatopsia (no color) | #444444 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33436E
#33436E
oklch(39% 0.076 267.4)
- #564207
#564207
oklch(39% 0.076 87.8)
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 #33436E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.039
- Twilight Blue #0A437A ΔE 0.041
- Light Navy #155084 ΔE 0.051
- Charcoal #264653 ΔE 0.054
- Cobalt #1E488F ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.059
- Marine Blue #01386A ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
Use #33436E 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.