#33557F
Closest named color: Light Navy Blue (#2E5A88). oklch(44.4% 0.08 254.5), rgb(51, 85, 127).
Aa
White text reads best on this color (7.64:1).
About this color
#33557F is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.080 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.018 away. White text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #33557F |
| RGB | rgb(51, 85, 127) |
| HSL | hsl(213, 43%, 35%) |
| OKLCH | oklch(44.4% 0.08 254.5) |
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 #33557F | 7.64:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #33557F | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #33557F text on white | 7.64:1 | AAA | Lc 86.4 | Fine for body text |
| #33557F text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ADC3DF
oklch(81% 0.046 254.5)
-
Step 400
400
#81A3CF
oklch(70.7% 0.075 255.1)
-
Step 500
500
#608CC3
oklch(63.1% 0.097 254.5)
-
Step 600
600
#4675AF
oklch(55.5% 0.105 254.5)
-
Step 700
700
#386296
oklch(49% 0.096 254.7)
-
Step 800
800 (this color)
#33557F
oklch(44.4% 0.08 254.5)
-
Step 900
900
#2A4362
oklch(37.8% 0.062 254.4)
-
Step 950
950
#192739
oklch(26.9% 0.039 255.1)
#33557F 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) | #445781 | 0.023 |
| Deuteranopia (no green cones) | #3A507E | 0.016 |
| Tritanopia (no blue cones) | #005F64 | 0.070 |
| Achromatopsia (no color) | #535353 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33557F
#33557F
oklch(44.4% 0.08 254.5)
- #6D4C18
#6D4C18
oklch(44.3% 0.08 74.8)
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 #33557F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.018
- Dusk Blue #26538D ΔE 0.028
- YInMn Blue #415A77 ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.033
- Light Navy #155084 ΔE 0.033
- Dusk #4E5481 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.035
- Twilight #4E518B ΔE 0.043
Use #33557F 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.