#336CA6
Closest named color: French Blue (#436BAD). oklch(52.1% 0.11 251.1), rgb(51, 108, 166).
Aa
White text reads best on this color (5.47:1).
About this color
#336CA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.110 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.020 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #336CA6 |
| RGB | rgb(51, 108, 166) |
| HSL | hsl(210, 53%, 43%) |
| OKLCH | oklch(52.1% 0.11 251.1) |
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 #336CA6 | 5.47:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #336CA6 | 3.83:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #336CA6 text on white | 5.47:1 | AA | Lc 77.1 | Fine for body text |
| #336CA6 text on black | 3.83:1 | AA large text | Lc -24.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C4E3
oklch(81% 0.053 251.1)
-
Step 400
400
#79A5D4
oklch(70.8% 0.084 250.7)
-
Step 500
500
#558DC9
oklch(63.1% 0.109 251.4)
-
Step 600
600
#3876B6
oklch(55.5% 0.119 251.4)
-
Step 700
700 (this color)
#336CA6
oklch(52.1% 0.11 251.1)
-
Step 800
800
#24517F
oklch(42.7% 0.091 251.2)
-
Step 900
900
#234466
oklch(37.9% 0.07 250.8)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#336CA6 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) | #526FA8 | 0.035 |
| Deuteranopia (no green cones) | #4264A5 | 0.025 |
| Tritanopia (no blue cones) | #007A81 | 0.085 |
| Achromatopsia (no color) | #696969 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336CA6
#336CA6
oklch(52.1% 0.11 251.1)
- #905D07
#905D07
oklch(52.2% 0.11 71.5)
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 #336CA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.020
- Muted Blue #3B719F ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.023
- Mid Blue #276AB3 ΔE 0.024
- Ocean Blue #03719C ΔE 0.033
- Nice Blue #107AB0 ΔE 0.040
- Dull Blue #49759C ΔE 0.042
- Peacock Blue #016795 ΔE 0.042
Use #336CA6 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.