#33499F
Closest named color: Blueberry (#464196). oklch(43.8% 0.142 269), rgb(51, 73, 159).
Aa
White text reads best on this color (8.09:1).
About this color
#33499F is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.142 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.033 away. White text reads best on it, at 8.09:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #33499F |
| RGB | rgb(51, 73, 159) |
| HSL | hsl(228, 51%, 41%) |
| OKLCH | oklch(43.8% 0.142 269) |
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 #33499F | 8.09:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #33499F | 2.59:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #33499F text on white | 8.09:1 | AAA | Lc 87.7 | Fine for body text |
| #33499F text on black | 2.59:1 | Fails | Lc -14.5 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300
#ABBFF7
oklch(80.9% 0.083 269.3)
-
Step 400
400
#7F9CF3
oklch(70.8% 0.132 268.9)
-
Step 500
500
#6080EF
oklch(63.1% 0.17 269)
-
Step 600
600
#4967DD
oklch(55.7% 0.183 269)
-
Step 700
700
#3B54C0
oklch(49% 0.171 269.2)
-
Step 800
800 (this color)
#33499F
oklch(43.8% 0.142 269)
-
Step 900
900
#2A3C7C
oklch(37.8% 0.111 268.8)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#33499F 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) | #0D55A2 | 0.038 |
| Deuteranopia (no green cones) | #004B9D | 0.035 |
| Tritanopia (no blue cones) | #005D6D | 0.115 |
| Achromatopsia (no color) | #505050 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33499F
#33499F
oklch(43.8% 0.142 269)
- #664F00
#664F00
oklch(43.9% 0.09 89.3)
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 #33499F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.033
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.049
- Sapphire #2138AB ΔE 0.053
- Twilight #4E518B ΔE 0.057
- Light Navy #155084 ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.059
Use #33499F 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.