#366281
Closest named color: Denim (#3B638C). oklch(47.8% 0.07 241), rgb(54, 98, 129).
Aa
White text reads best on this color (6.51:1).
About this color
#366281 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.070 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.019 away. White text reads best on it, at 6.51:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #366281 |
| RGB | rgb(54, 98, 129) |
| HSL | hsl(205, 41%, 36%) |
| OKLCH | oklch(47.8% 0.07 241) |
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 #366281 | 6.51:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #366281 | 3.22:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #366281 text on white | 6.51:1 | AA | Lc 82.2 | Fine for body text |
| #366281 text on black | 3.22:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AEC4D5
oklch(80.9% 0.034 241.2)
-
Step 400
400
#83A6C0
oklch(70.8% 0.054 240.7)
-
Step 500
500
#638FB0
oklch(63.1% 0.069 241.6)
-
Step 600
600
#49799C
oklch(55.7% 0.076 241.6)
-
Step 700
700 (this color)
#366281
oklch(47.8% 0.07 241)
-
Step 800
800
#30536C
oklch(42.7% 0.058 241)
-
Step 900
900
#2B4558
oklch(37.8% 0.046 241.2)
-
Step 950
950
#1A2833
oklch(26.9% 0.028 242.7)
#366281 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) | #546282 | 0.037 |
| Deuteranopia (no green cones) | #4A5A80 | 0.031 |
| Tritanopia (no blue cones) | #006A6C | 0.057 |
| Achromatopsia (no color) | #5E5E5E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366281
#366281
oklch(47.8% 0.07 241)
- #7A5432
#7A5432
oklch(47.9% 0.07 61.7)
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 #366281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.019
- YInMn Blue #415A77 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.031
- Peacock Blue #016795 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.041
- Slate #516572 ΔE 0.042
- Dusty Grape #545775 ΔE 0.046
Use #366281 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.