#456EAC
Closest named color: French Blue (#436BAD). oklch(53.7% 0.108 258.4), rgb(69, 110, 172).
Aa
White text reads best on this color (5.14:1).
About this color
#456EAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.108 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.010 away. White text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.07:1 |
| White text | 5.14:1 |
Values
| HEX | #456EAC |
| RGB | rgb(69, 110, 172) |
| HSL | hsl(216, 43%, 47%) |
| OKLCH | oklch(53.7% 0.108 258.4) |
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 #456EAC | 5.14:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #456EAC | 4.07:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #456EAC text on white | 5.14:1 | AA | Lc 75.3 | Fine for body text |
| #456EAC text on black | 4.07:1 | AA large text | Lc -26.4 | 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
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#AEC2E1
oklch(80.9% 0.049 259.1)
-
Step 400
400
#83A2D1
oklch(70.7% 0.077 258.5)
-
Step 500
500
#638AC5
oklch(62.9% 0.1 258.4)
-
Step 600
600 (this color)
#456EAC
oklch(53.7% 0.108 258.4)
-
Step 700
700
#3B6199
oklch(49.1% 0.1 258)
-
Step 800
800
#314F7C
oklch(42.6% 0.083 258.3)
-
Step 900
900
#2C4264
oklch(37.7% 0.065 258.8)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#456EAC 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) | #5473AF | 0.024 |
| Deuteranopia (no green cones) | #4669AB | 0.014 |
| Tritanopia (no blue cones) | #007C85 | 0.093 |
| Achromatopsia (no color) | #6D6D6D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456EAC
#456EAC
oklch(53.7% 0.108 258.4)
- #90650C
#90650C
oklch(53.8% 0.108 78.3)
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 #456EAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.010
- Flat Blue #3C73A8 ΔE 0.018
- Muted Blue #3B719F ΔE 0.027
- Mid Blue #276AB3 ΔE 0.032
- Windows Blue #3778BF ΔE 0.036
- Dull Blue #49759C ΔE 0.037
- Nice Blue #107AB0 ΔE 0.043
- Cerulean #457B9D ΔE 0.050
Use #456EAC 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.