#456BD9
Closest named color: Royal Blue (#4169E1). oklch(56% 0.174 266.5), rgb(69, 107, 217).
Aa
White text reads best on this color (4.81:1).
About this color
#456BD9 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.174 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.014 away. White text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.35:1 |
| White text | 4.81:1 |
Values
| HEX | #456BD9 |
| RGB | rgb(69, 107, 217) |
| HSL | hsl(225, 66%, 56%) |
| OKLCH | oklch(56% 0.174 266.5) |
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 #456BD9 | 4.81:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #456BD9 | 4.35:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #456BD9 text on white | 4.81:1 | AA | Lc 73.1 | Content text, not long reading |
| #456BD9 text on black | 4.35:1 | AA large text | Lc -28.6 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F7
oklch(88.5% 0.044 266.9)
-
Step 300
300
#A9C0F4
oklch(80.9% 0.078 266.1)
-
Step 400
400
#7C9EEF
oklch(70.8% 0.125 266)
-
Step 500
500
#5C83E9
oklch(63.1% 0.159 266.2)
-
Step 600
600 (this color)
#456BD9
oklch(56% 0.174 266.5)
-
Step 700
700
#3657BB
oklch(49% 0.162 266.6)
-
Step 800
800
#2D4897
oklch(42.7% 0.134 266.5)
-
Step 900
900
#283D78
oklch(37.6% 0.104 266.7)
-
Step 950
950
#172447
oklch(26.9% 0.068 266.6)
#456BD9 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) | #2879DD | 0.038 |
| Deuteranopia (no green cones) | #006BD7 | 0.039 |
| Tritanopia (no blue cones) | #008598 | 0.141 |
| Achromatopsia (no color) | #727272 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456BD9
#456BD9
oklch(56% 0.174 266.5)
- #926F00
#926F00
oklch(56.1% 0.115 86.6)
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 #456BD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.014
- Neon Blue #4361EE ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.047
- Warm Blue #4B57DB ΔE 0.047
- Windows Blue #3778BF ΔE 0.058
- Azul #1D5DEC ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.060
Use #456BD9 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.