#456AAA
Closest named color: French Blue (#436BAD). oklch(52.7% 0.11 260.7), rgb(69, 106, 170).
Aa
White text reads best on this color (5.39:1).
About this color
#456AAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.110 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.005 away. White text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #456AAA |
| RGB | rgb(69, 106, 170) |
| HSL | hsl(218, 42%, 47%) |
| OKLCH | oklch(52.7% 0.11 260.7) |
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 #456AAA | 5.39:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #456AAA | 3.89:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #456AAA text on white | 5.39:1 | AA | Lc 76.7 | Fine for body text |
| #456AAA text on black | 3.89:1 | AA large text | Lc -25.1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAEC
oklch(88.5% 0.028 260.3)
-
Step 300
300
#AFC2E1
oklch(81% 0.049 260.2)
-
Step 400
400
#84A1D2
oklch(70.6% 0.079 260.7)
-
Step 500
500
#668AC7
oklch(63.2% 0.101 260.6)
-
Step 600
600 (this color)
#456AAA
oklch(52.7% 0.11 260.7)
-
Step 700
700
#3E609A
oklch(49.1% 0.102 260.5)
-
Step 800
800
#334E7D
oklch(42.6% 0.085 260.9)
-
Step 900
900
#2D4165
oklch(37.6% 0.067 261.5)
-
Step 950
950
#1B263B
oklch(26.9% 0.042 262.7)
#456AAA 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) | #4F6FAD | 0.020 |
| Deuteranopia (no green cones) | #4266A9 | 0.012 |
| Tritanopia (no blue cones) | #007882 | 0.095 |
| Achromatopsia (no color) | #6A6A6A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456AAA
#456AAA
oklch(52.7% 0.11 260.7)
- #8B6300
#8B6300
oklch(52.8% 0.109 80.9)
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 #456AAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.005
- Flat Blue #3C73A8 ΔE 0.027
- Mid Blue #276AB3 ΔE 0.029
- Muted Blue #3B719F ΔE 0.031
- Dusky Blue #475F94 ΔE 0.042
- Dull Blue #49759C ΔE 0.044
- Windows Blue #3778BF ΔE 0.045
- Nice Blue #107AB0 ΔE 0.051
Use #456AAA 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.