#33497B
Closest named color: Light Navy (#155084). oklch(41.3% 0.088 264.9), rgb(51, 73, 123).
Aa
White text reads best on this color (8.82:1).
About this color
#33497B is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.088 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.032 away. White text reads best on it, at 8.82:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #33497B |
| RGB | rgb(51, 73, 123) |
| HSL | hsl(222, 41%, 34%) |
| OKLCH | oklch(41.3% 0.088 264.9) |
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 #33497B | 8.82:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #33497B | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #33497B text on white | 8.82:1 | AAA | Lc 90.0 | Preferred for body text |
| #33497B text on black | 2.37:1 | Fails | Lc -12.2 | 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
#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
#B0C1E3
oklch(80.9% 0.052 264.2)
-
Step 400
400
#87A0D5
oklch(70.7% 0.083 264.8)
-
Step 500
500
#6A88CA
oklch(63.2% 0.106 264.9)
-
Step 600
600
#5271B6
oklch(55.7% 0.114 264.7)
-
Step 700
700
#425E9D
oklch(49.1% 0.107 264.7)
-
Step 800
800 (this color)
#33497B
oklch(41.3% 0.088 264.9)
-
Step 900
900
#2F4066
oklch(37.6% 0.069 265)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#33497B 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) | #344E7D | 0.015 |
| Deuteranopia (no green cones) | #2B477A | 0.012 |
| Tritanopia (no blue cones) | #03545C | 0.079 |
| Achromatopsia (no color) | #4A4A4A | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33497B
#33497B
oklch(41.3% 0.088 264.9)
- #604700
#604700
oklch(41.4% 0.085 85.5)
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 #33497B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.032
- Dusk Blue #26538D ΔE 0.038
- Cobalt #1E488F ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.042
- Twilight Blue #0A437A ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.050
- Twilight #4E518B ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.053
Use #33497B 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.