#33459B
Closest named color: Blueberry (#464196). oklch(42.7% 0.141 270.4), rgb(51, 69, 155).
Aa
White text reads best on this color (8.51:1).
About this color
#33459B is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.141 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.028 away. White text reads best on it, at 8.51:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #33459B |
| RGB | rgb(51, 69, 155) |
| HSL | hsl(230, 50%, 40%) |
| OKLCH | oklch(42.7% 0.141 270.4) |
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 #33459B | 8.51:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #33459B | 2.46:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #33459B text on white | 8.51:1 | AAA | Lc 88.9 | Fine for body text |
| #33459B text on black | 2.46:1 | Fails | Lc -13.3 | 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 800.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBEF7
oklch(80.8% 0.083 270.9)
-
Step 400
400
#819BF3
oklch(70.7% 0.132 270.3)
-
Step 500
500
#647FEE
oklch(63% 0.169 270.6)
-
Step 600
600
#4D66DD
oklch(55.7% 0.183 270.4)
-
Step 700
700
#3E54C0
oklch(49.2% 0.171 270.2)
-
Step 800
800 (this color)
#33459B
oklch(42.7% 0.141 270.4)
-
Step 900
900
#2C3B7B
oklch(37.7% 0.11 270.4)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#33459B 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) | #02519E | 0.041 |
| Deuteranopia (no green cones) | #004899 | 0.036 |
| Tritanopia (no blue cones) | #005A69 | 0.118 |
| Achromatopsia (no color) | #4D4D4D | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33459B
#33459B
oklch(42.7% 0.141 270.4)
- #614C00
#614C00
oklch(42.6% 0.087 90.4)
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 #33459B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.028
- Cobalt #1E488F ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.042
- Sapphire #2138AB ΔE 0.048
- Dusk Blue #26538D ΔE 0.048
- Light Navy #155084 ΔE 0.057
- Twilight #4E518B ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.067
Use #33459B 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.