#33568B
Closest named color: Light Navy Blue (#2E5A88). oklch(45.3% 0.096 258.5), rgb(51, 86, 139).
Aa
White text reads best on this color (7.38:1).
About this color
#33568B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.096 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 7.38:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #33568B |
| RGB | rgb(51, 86, 139) |
| HSL | hsl(216, 46%, 37%) |
| OKLCH | oklch(45.3% 0.096 258.5) |
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 #33568B | 7.38:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #33568B | 2.84:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #33568B text on white | 7.38:1 | AAA | Lc 85.5 | Fine for body text |
| #33568B text on black | 2.84:1 | Fails | Lc -16.6 | Dividers and decoration only |
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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E6
oklch(80.9% 0.057 259.3)
-
Step 400
400
#7EA2D9
oklch(70.7% 0.09 258.7)
-
Step 500
500
#5D8ACE
oklch(63.1% 0.114 258.4)
-
Step 600
600
#4373BB
oklch(55.6% 0.124 258.3)
-
Step 700
700
#3460A2
oklch(49.1% 0.117 258.4)
-
Step 800
800 (this color)
#33568B
oklch(45.3% 0.096 258.5)
-
Step 900
900
#284269
oklch(37.8% 0.074 258.3)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#33568B 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) | #3F5A8D | 0.020 |
| Deuteranopia (no green cones) | #33528A | 0.012 |
| Tritanopia (no blue cones) | #00626A | 0.080 |
| Achromatopsia (no color) | #565656 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33568B
#33568B
oklch(45.3% 0.096 258.5)
- #724E00
#724E00
oklch(45.2% 0.094 78.1)
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 #33568B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- Dusk Blue #26538D ΔE 0.017
- Denim Blue #3B5B92 ΔE 0.021
- Light Navy #155084 ΔE 0.035
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.039
Use #33568B 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.