#336ACA
Closest named color: Mid Blue (#276AB3). oklch(54% 0.16 260.7), rgb(51, 106, 202).
Aa
White text reads best on this color (5.17:1).
About this color
#336ACA is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.160 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.038 away. White text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #336ACA |
| RGB | rgb(51, 106, 202) |
| HSL | hsl(218, 60%, 50%) |
| OKLCH | oklch(54% 0.16 260.7) |
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 #336ACA | 5.17:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #336ACA | 4.05:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #336ACA text on white | 5.17:1 | AA | Lc 75.2 | Fine for body text |
| #336ACA text on black | 4.05:1 | AA large text | Lc -26.5 | 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 600.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2F0
oklch(80.9% 0.072 260.3)
-
Step 400
400
#77A1E8
oklch(70.8% 0.114 260.5)
-
Step 500
500
#5387E2
oklch(63% 0.148 260.8)
-
Step 600
600 (this color)
#336ACA
oklch(54% 0.16 260.7)
-
Step 700
700
#2A5CB4
oklch(49% 0.15 260.8)
-
Step 800
800
#244C91
oklch(42.7% 0.123 260.5)
-
Step 900
900
#224074
oklch(37.7% 0.096 260.6)
-
Step 950
950
#142644
oklch(27% 0.061 260.1)
#336ACA 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) | #3574CE | 0.027 |
| Deuteranopia (no green cones) | #0566C8 | 0.027 |
| Tritanopia (no blue cones) | #008190 | 0.126 |
| Achromatopsia (no color) | #6D6D6D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336ACA
#336ACA
oklch(54% 0.16 260.7)
- #906600
#906600
oklch(54% 0.112 80.3)
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 #336ACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.038
- Royal Blue #4169E1 ΔE 0.039
- Windows Blue #3778BF ΔE 0.045
- French Blue #436BAD ΔE 0.048
- Cerulean Blue #056EEE ΔE 0.057
- Warm Blue #4B57DB ΔE 0.057
- Neon Blue #4361EE ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.063
Use #336ACA 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.