#366784
Closest named color: Denim (#3B638C). oklch(49.2% 0.071 236.6), rgb(54, 103, 132).
Aa
White text reads best on this color (6.12:1).
About this color
#366784 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.071 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.021 away. White text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.43:1 |
| White text | 6.12:1 |
Values
| HEX | #366784 |
| RGB | rgb(54, 103, 132) |
| HSL | hsl(202, 42%, 36%) |
| OKLCH | oklch(49.2% 0.071 236.6) |
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 #366784 | 6.12:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #366784 | 3.43:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #366784 text on white | 6.12:1 | AA | Lc 80.4 | Fine for body text |
| #366784 text on black | 3.43:1 | AA large text | Lc -21.4 | 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
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#ADC5D4
oklch(81% 0.034 235.3)
-
Step 400
400
#80A6BF
oklch(70.6% 0.055 237.4)
-
Step 500
500
#5F90AF
oklch(63.1% 0.071 237.2)
-
Step 600
600
#447A9A
oklch(55.6% 0.076 236.4)
-
Step 700
700 (this color)
#366784
oklch(49.2% 0.071 236.6)
-
Step 800
800
#2D546B
oklch(42.7% 0.059 236.2)
-
Step 900
900
#294557
oklch(37.6% 0.046 237.9)
-
Step 950
950
#182933
oklch(27.1% 0.029 235.2)
#366784 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) | #5A6685 | 0.043 |
| Deuteranopia (no green cones) | #4F5E84 | 0.037 |
| Tritanopia (no blue cones) | #006E71 | 0.052 |
| Achromatopsia (no color) | #626262 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366784
#366784
oklch(49.2% 0.071 236.6)
- #805638
#805638
oklch(49.2% 0.071 55.8)
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 #366784, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.021
- Peacock Blue #016795 ΔE 0.037
- Slate #516572 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.039
- Sea Blue #047495 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.044
- Ocean Blue #03719C ΔE 0.045
Use #366784 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.