#335181
Closest named color: Dusk Blue (#26538D). oklch(43.5% 0.088 259.4), rgb(51, 81, 129).
Aa
White text reads best on this color (7.97:1).
About this color
#335181 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.088 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.022 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #335181 |
| RGB | rgb(51, 81, 129) |
| HSL | hsl(217, 43%, 35%) |
| OKLCH | oklch(43.5% 0.088 259.4) |
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 #335181 | 7.97:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #335181 | 2.63:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #335181 text on white | 7.97:1 | AAA | Lc 87.5 | Fine for body text |
| #335181 text on black | 2.63:1 | Fails | Lc -14.7 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E2
oklch(80.9% 0.051 258.7)
-
Step 400
400
#82A2D4
oklch(70.7% 0.082 259.2)
-
Step 500
500
#638AC9
oklch(63.1% 0.105 259.7)
-
Step 600
600
#4A73B5
oklch(55.6% 0.113 259.5)
-
Step 700
700
#3B609C
oklch(49.1% 0.106 259.6)
-
Step 800
800 (this color)
#335181
oklch(43.5% 0.088 259.4)
-
Step 900
900
#2B4266
oklch(37.8% 0.068 259.1)
-
Step 950
950
#1A273B
oklch(27.1% 0.042 258.8)
#335181 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) | #3D5583 | 0.018 |
| Deuteranopia (no green cones) | #334D80 | 0.012 |
| Tritanopia (no blue cones) | #005C63 | 0.076 |
| Achromatopsia (no color) | #515151 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #335181
#335181
oklch(43.5% 0.088 259.4)
- #6B4B06
#6B4B06
oklch(43.7% 0.088 79.5)
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 #335181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.027
- Light Navy #155084 ΔE 0.027
- Deep Sea Blue #015482 ΔE 0.032
- Dusk #4E5481 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.041
- Twilight #4E518B ΔE 0.041
Use #335181 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.