#33446A
Closest named color: Dark Grey Blue (#29465B). oklch(39% 0.069 265.1), rgb(51, 68, 106).
Aa
White text reads best on this color (9.65:1).
About this color
#33446A is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.069 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 9.65:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #33446A |
| RGB | rgb(51, 68, 106) |
| HSL | hsl(221, 35%, 31%) |
| OKLCH | oklch(39% 0.069 265.1) |
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 #33446A | 9.65:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #33446A | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #33446A text on white | 9.65:1 | AAA | Lc 92.3 | Preferred for body text |
| #33446A text on black | 2.17:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C1E3
oklch(81% 0.051 265.3)
-
Step 400
400
#88A0D5
oklch(70.7% 0.083 265.5)
-
Step 500
500
#6A88C9
oklch(63.1% 0.104 264.7)
-
Step 600
600
#5271B6
oklch(55.7% 0.114 264.7)
-
Step 700
700
#435E9D
oklch(49.1% 0.106 265.2)
-
Step 800
800
#374D7F
oklch(42.7% 0.088 265)
-
Step 900
900 (this color)
#33446A
oklch(39% 0.069 265.1)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#33446A 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) | #36476C | 0.011 |
| Deuteranopia (no green cones) | #304269 | 0.008 |
| Tritanopia (no blue cones) | #1C4C52 | 0.061 |
| Achromatopsia (no color) | #454545 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33446A
#33446A
oklch(39% 0.069 265.1)
- #564213
#564213
oklch(39.1% 0.068 85)
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 #33446A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Twilight Blue #0A437A ΔE 0.045
- Charcoal #264653 ΔE 0.047
- Light Navy #155084 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.062
- Cobalt #1E488F ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.064
Use #33446A 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.