#4870F9
Closest named color: Clear Blue (#247AFD). oklch(59.5% 0.209 267.3), rgb(72, 112, 249).
Aa
Black text reads best on this color (4.96:1).
About this color
#4870F9 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.209 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.031 away. Black text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.209) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.96:1 |
| White text | 4.23:1 |
Values
| HEX | #4870F9 |
| RGB | rgb(72, 112, 249) |
| HSL | hsl(226, 94%, 63%) |
| OKLCH | oklch(59.5% 0.209 267.3) |
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 #4870F9 | 4.23:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #4870F9 | 4.96:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #4870F9 text on white | 4.23:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #4870F9 text on black | 4.96:1 | AA | Lc -32.9 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#769BFF
oklch(70.7% 0.152 267.2)
-
Step 500
500 (this color)
#4870F9
oklch(59.5% 0.209 267.3)
-
Step 600
600
#3A60F6
oklch(55.7% 0.228 267.3)
-
Step 700
700
#2D4ED6
oklch(49.2% 0.211 267.2)
-
Step 800
800
#2641AD
oklch(42.8% 0.175 267.4)
-
Step 900
900
#223989
oklch(37.8% 0.136 267.3)
-
Step 950
950
#142250
oklch(27% 0.086 267.5)
#4870F9 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) | #0083FE | 0.051 |
| Deuteranopia (no green cones) | #0073F6 | 0.037 |
| Tritanopia (no blue cones) | #0092AA | 0.168 |
| Achromatopsia (no color) | #7B7B7B | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4870F9
#4870F9
oklch(59.5% 0.209 267.3)
- #9D7900
#9D7900
oklch(59.5% 0.122 87.7)
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 #4870F9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.031
- Neon Blue #4361EE ΔE 0.039
- Royal Blue #4169E1 ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.044
- Cornflower #6A79F7 ΔE 0.048
- Bright Blue #0165FC ΔE 0.052
- Azul #1D5DEC ΔE 0.065
- Medium Slate Blue #7B68EE ΔE 0.066
Use #4870F9 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.