#456F99
Closest named color: Muted Blue (#3B719F). oklch(52.9% 0.082 249.6), rgb(69, 111, 153).
Aa
White text reads best on this color (5.26:1).
About this color
#456F99 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.082 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.013 away. White text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #456F99 |
| RGB | rgb(69, 111, 153) |
| HSL | hsl(210, 38%, 44%) |
| OKLCH | oklch(52.9% 0.082 249.6) |
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 #456F99 | 5.26:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #456F99 | 3.98:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #456F99 text on white | 5.26:1 | AA | Lc 76.0 | Fine for body text |
| #456F99 text on black | 3.98:1 | AA large text | Lc -25.7 | 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
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D8
oklch(80.9% 0.037 249.6)
-
Step 400
400
#85A4C4
oklch(70.7% 0.058 249.5)
-
Step 500
500
#668DB5
oklch(63% 0.075 249.7)
-
Step 600
600 (this color)
#456F99
oklch(52.9% 0.082 249.6)
-
Step 700
700
#3D648A
oklch(49.1% 0.076 249)
-
Step 800
800
#335270
oklch(42.8% 0.062 248.7)
-
Step 900
900
#2D445B
oklch(37.8% 0.049 249.2)
-
Step 950
950
#1B2835
oklch(27.1% 0.03 249)
#456F99 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) | #5E709B | 0.031 |
| Deuteranopia (no green cones) | #536898 | 0.024 |
| Tritanopia (no blue cones) | #11797E | 0.070 |
| Achromatopsia (no color) | #6C6C6C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456F99
#456F99
oklch(52.9% 0.082 249.6)
- #8A6333
#8A6333
oklch(53% 0.082 70.1)
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 #456F99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.013
- Dull Blue #49759C ΔE 0.019
- Flat Blue #3C73A8 ΔE 0.024
- Metallic Blue #4F738E ΔE 0.026
- Cerulean #457B9D ΔE 0.035
- French Blue #436BAD ΔE 0.037
- Ocean Blue #03719C ΔE 0.038
- Stormy Blue #507B9C ΔE 0.039
Use #456F99 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.