#456CA3
Closest named color: French Blue (#436BAD). oklch(52.8% 0.098 257.1), rgb(69, 108, 163).
Aa
White text reads best on this color (5.34:1).
About this color
#456CA3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.098 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.017 away. White text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #456CA3 |
| RGB | rgb(69, 108, 163) |
| HSL | hsl(215, 41%, 45%) |
| OKLCH | oklch(52.8% 0.098 257.1) |
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 #456CA3 | 5.34:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #456CA3 | 3.92:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #456CA3 text on white | 5.34:1 | AA | Lc 76.5 | Fine for body text |
| #456CA3 text on black | 3.92:1 | AA large text | Lc -25.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DD
oklch(80.8% 0.044 257.1)
-
Step 400
400
#85A3CD
oklch(70.8% 0.07 256.8)
-
Step 500
500
#668BC0
oklch(63.1% 0.091 257.4)
-
Step 600
600 (this color)
#456CA3
oklch(52.8% 0.098 257.1)
-
Step 700
700
#3E6294
oklch(49.2% 0.091 256.8)
-
Step 800
800
#335078
oklch(42.8% 0.075 256.7)
-
Step 900
900
#2D4261
oklch(37.6% 0.06 258)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#456CA3 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) | #5570A5 | 0.023 |
| Deuteranopia (no green cones) | #4967A2 | 0.014 |
| Tritanopia (no blue cones) | #007880 | 0.086 |
| Achromatopsia (no color) | #6B6B6B | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456CA3
#456CA3
oklch(52.8% 0.098 257.1)
- #8A631D
#8A631D
oklch(52.8% 0.098 77.7)
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 #456CA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.017
- Muted Blue #3B719F ΔE 0.019
- Flat Blue #3C73A8 ΔE 0.020
- Dull Blue #49759C ΔE 0.032
- Mid Blue #276AB3 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Ocean Blue #03719C ΔE 0.043
- Denim #3B638C ΔE 0.044
Use #456CA3 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.