#36556D
Closest named color: YInMn Blue (#415A77). oklch(43.6% 0.054 242.8), rgb(54, 85, 109).
Aa
White text reads best on this color (7.84:1).
About this color
#36556D is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.054 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 7.84:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #36556D |
| RGB | rgb(54, 85, 109) |
| HSL | hsl(206, 34%, 32%) |
| OKLCH | oklch(43.6% 0.054 242.8) |
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 #36556D | 7.84:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #36556D | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #36556D text on white | 7.84:1 | AAA | Lc 87.1 | Fine for body text |
| #36556D text on black | 2.67:1 | Fails | Lc -15.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C4D4
oklch(81% 0.031 242.1)
-
Step 400
400
#86A5BE
oklch(70.7% 0.05 242.8)
-
Step 500
500
#678EAE
oklch(63% 0.065 243.8)
-
Step 600
600
#4D7899
oklch(55.5% 0.07 242.6)
-
Step 700
700
#3E6583
oklch(49.1% 0.066 242.8)
-
Step 800
800 (this color)
#36556D
oklch(43.6% 0.054 242.8)
-
Step 900
900
#2D4456
oklch(37.6% 0.042 242.8)
-
Step 950
950
#1B2833
oklch(27% 0.027 244.6)
#36556D 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) | #4B556E | 0.028 |
| Deuteranopia (no green cones) | #434F6D | 0.023 |
| Tritanopia (no blue cones) | #1D5B5D | 0.045 |
| Achromatopsia (no color) | #525252 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36556D
#36556D
oklch(43.6% 0.054 242.8)
- #674B31
#674B31
oklch(43.6% 0.055 63.5)
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 #36556D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.044
- Petrol #005F6A ΔE 0.045
- Dusty Grape #545775 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.049
- Dusk #4E5481 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Light Navy #155084 ΔE 0.053
Use #36556D 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.