#336587
Closest named color: Denim (#3B638C). oklch(48.7% 0.077 240.6), rgb(51, 101, 135).
Aa
White text reads best on this color (6.26:1).
About this color
#336587 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.077 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.014 away. White text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #336587 |
| RGB | rgb(51, 101, 135) |
| HSL | hsl(204, 45%, 36%) |
| OKLCH | oklch(48.7% 0.077 240.6) |
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 #336587 | 6.26:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #336587 | 3.35:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #336587 text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #336587 text on black | 3.35:1 | AA large text | Lc -20.8 | 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
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#ACC4D7
oklch(80.8% 0.038 241.9)
-
Step 400
400
#7FA6C3
oklch(70.7% 0.06 240.9)
-
Step 500
500
#5E90B3
oklch(63.2% 0.075 240)
-
Step 600
600
#43799F
oklch(55.5% 0.083 241.1)
-
Step 700
700 (this color)
#336587
oklch(48.7% 0.077 240.6)
-
Step 800
800
#2C536F
oklch(42.6% 0.064 241.6)
-
Step 900
900
#28455A
oklch(37.7% 0.05 241.3)
-
Step 950
950
#182834
oklch(26.8% 0.031 241.7)
#336587 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) | #566589 | 0.041 |
| Deuteranopia (no green cones) | #4A5D86 | 0.032 |
| Tritanopia (no blue cones) | #006D71 | 0.057 |
| Achromatopsia (no color) | #606060 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336587
#336587
oklch(48.7% 0.077 240.6)
- #7F5530
#7F5530
oklch(48.7% 0.076 60.9)
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 #336587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.014
- Peacock Blue #016795 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.039
- Ocean Blue #03719C ΔE 0.044
- Slate #516572 ΔE 0.046
Use #336587 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.