#456AC6
Closest named color: French Blue (#436BAD). oklch(54.5% 0.149 265.3), rgb(69, 106, 198).
Aa
White text reads best on this color (5.08:1).
About this color
#456AC6 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.149 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.040 away. White text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #456AC6 |
| RGB | rgb(69, 106, 198) |
| HSL | hsl(223, 53%, 52%) |
| OKLCH | oklch(54.5% 0.149 265.3) |
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 #456AC6 | 5.08:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #456AC6 | 4.13:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #456AC6 text on white | 5.08:1 | AA | Lc 74.8 | Content text, not long reading |
| #456AC6 text on black | 4.13:1 | AA large text | Lc -26.9 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ACC1ED
oklch(81% 0.067 264.9)
-
Step 400
400
#809FE4
oklch(70.7% 0.107 265.3)
-
Step 500
500
#6186DC
oklch(63.2% 0.136 265.2)
-
Step 600
600 (this color)
#456AC6
oklch(54.5% 0.149 265.3)
-
Step 700
700
#3A5BAF
oklch(49.2% 0.139 265.5)
-
Step 800
800
#304B8D
oklch(42.8% 0.114 265.2)
-
Step 900
900
#2A3F71
oklch(37.7% 0.09 265.2)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#456AC6 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) | #3C74C9 | 0.026 |
| Deuteranopia (no green cones) | #2369C4 | 0.029 |
| Tritanopia (no blue cones) | #007F8E | 0.124 |
| Achromatopsia (no color) | #6E6E6E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456AC6
#456AC6
oklch(54.5% 0.149 265.3)
- #8D6A00
#8D6A00
oklch(54.5% 0.112 85.7)
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 #456AC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.040
- Mid Blue #276AB3 ΔE 0.041
- Windows Blue #3778BF ΔE 0.042
- Royal Blue #4169E1 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.051
- Iris #6258C4 ΔE 0.054
- Flat Blue #3C73A8 ΔE 0.058
- Warm Blue #4B57DB ΔE 0.059
Use #456AC6 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.