#456EF3
Closest named color: Royal Blue (#4169E1). oklch(58.5% 0.205 266.9), rgb(69, 110, 243).
Aa
Black text reads best on this color (4.77:1).
About this color
#456EF3 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.205 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.030 away. Black text reads best on it, at 4.77:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #456EF3 |
| RGB | rgb(69, 110, 243) |
| HSL | hsl(226, 88%, 61%) |
| OKLCH | oklch(58.5% 0.205 266.9) |
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 #456EF3 | 4.39:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #456EF3 | 4.77:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #456EF3 text on white | 4.39:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #456EF3 text on black | 4.77:1 | AA | Lc -31.7 | Non-text elements, placeholder text |
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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A6BFFD
oklch(80.8% 0.092 267.4)
-
Step 400
400
#779CFC
oklch(70.8% 0.147 266.7)
-
Step 500
500
#567FFA
oklch(63.1% 0.189 267)
-
Step 600
600 (this color)
#456EF3
oklch(58.5% 0.205 266.9)
-
Step 700
700
#3052CB
oklch(49% 0.192 266.9)
-
Step 800
800
#2844A4
oklch(42.6% 0.159 267)
-
Step 900
900
#243B82
oklch(37.7% 0.123 266.8)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#456EF3 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) | #0081F8 | 0.051 |
| Deuteranopia (no green cones) | #0071F0 | 0.036 |
| Tritanopia (no blue cones) | #008FA6 | 0.164 |
| Achromatopsia (no color) | #787878 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456EF3
#456EF3
oklch(58.5% 0.205 266.9)
- #9A7600
#9A7600
oklch(58.5% 0.12 87.2)
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 #456EF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.030
- Neon Blue #4361EE ΔE 0.031
- Clear Blue #247AFD ΔE 0.035
- Cerulean Blue #056EEE ΔE 0.037
- Bright Blue #0165FC ΔE 0.048
- Cornflower #6A79F7 ΔE 0.054
- Azul #1D5DEC ΔE 0.057
- Warm Blue #4B57DB ΔE 0.063
Use #456EF3 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.