#456ACA
Closest named color: Royal Blue (#4169E1). oklch(54.7% 0.155 265.7), rgb(69, 106, 202).
Aa
White text reads best on this color (5.03:1).
About this color
#456ACA is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.155 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.036 away. White text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #456ACA |
| RGB | rgb(69, 106, 202) |
| HSL | hsl(223, 56%, 53%) |
| OKLCH | oklch(54.7% 0.155 265.7) |
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 #456ACA | 5.03:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #456ACA | 4.16:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #456ACA text on white | 5.03:1 | AA | Lc 74.5 | Content text, not long reading |
| #456ACA text on black | 4.16:1 | AA large text | Lc -27.2 | 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
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F4
oklch(88.5% 0.039 266.5)
-
Step 300
300
#ABC0EF
oklch(80.8% 0.071 266)
-
Step 400
400
#7F9FE6
oklch(70.7% 0.111 265.2)
-
Step 500
500
#6085DF
oklch(63.1% 0.142 265.7)
-
Step 600
600 (this color)
#456ACA
oklch(54.7% 0.155 265.7)
-
Step 700
700
#395AB1
oklch(49% 0.144 265.7)
-
Step 800
800
#2F4A90
oklch(42.7% 0.12 265.7)
-
Step 900
900
#2A3F73
oklch(37.9% 0.093 265.6)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#456ACA 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) | #3875CE | 0.029 |
| Deuteranopia (no green cones) | #1B69C8 | 0.033 |
| Tritanopia (no blue cones) | #008090 | 0.128 |
| Achromatopsia (no color) | #6F6F6F | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456ACA
#456ACA
oklch(54.7% 0.155 265.7)
- #8E6B00
#8E6B00
oklch(54.8% 0.112 85.9)
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 #456ACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.036
- Windows Blue #3778BF ΔE 0.045
- Mid Blue #276AB3 ΔE 0.046
- French Blue #436BAD ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.049
- Iris #6258C4 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.059
Use #456ACA 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.