#457BE2
Closest named color: Clear Blue (#247AFD). oklch(59.9% 0.167 261.9), rgb(69, 123, 226).
Aa
Black text reads best on this color (5.18:1).
About this color
#457BE2 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.167 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.046 away. Black text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #457BE2 |
| RGB | rgb(69, 123, 226) |
| HSL | hsl(219, 73%, 58%) |
| OKLCH | oklch(59.9% 0.167 261.9) |
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 #457BE2 | 4.05:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #457BE2 | 5.18:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #457BE2 text on white | 4.05:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #457BE2 text on black | 5.18:1 | AA | Lc -34.3 | 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 500.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A4C1F6
oklch(80.8% 0.082 262.3)
-
Step 400
400
#739FF2
oklch(70.6% 0.131 262.3)
-
Step 500
500 (this color)
#457BE2
oklch(59.9% 0.167 261.9)
-
Step 600
600
#326CDB
oklch(55.6% 0.181 261.7)
-
Step 700
700
#2559BE
oklch(49% 0.169 261.9)
-
Step 800
800
#204A9A
oklch(42.8% 0.139 261.7)
-
Step 900
900
#1F3E7A
oklch(37.5% 0.109 262)
-
Step 950
950
#132548
oklch(27% 0.069 262.3)
#457BE2 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) | #4686E6 | 0.029 |
| Deuteranopia (no green cones) | #2677E0 | 0.027 |
| Tritanopia (no blue cones) | #0093A3 | 0.135 |
| Achromatopsia (no color) | #7E7E7E | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457BE2
#457BE2
oklch(59.9% 0.167 261.9)
- #A47700
#A47700
oklch(59.9% 0.123 82.1)
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 #457BE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.046
- Royal Blue #4169E1 ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.050
- Soft Blue #6488EA ΔE 0.051
- Cornflower #6A79F7 ΔE 0.053
- Cerulean Blue #056EEE ΔE 0.056
- Windows Blue #3778BF ΔE 0.056
- Water Blue #0E87CC ΔE 0.057
Use #457BE2 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.