#4870EA
Closest named color: Royal Blue (#4169E1). oklch(58.3% 0.19 266.7), rgb(72, 112, 234).
Aa
Black text reads best on this color (4.78:1).
About this color
#4870EA is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.190 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.024 away. Black text reads best on it, at 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.78:1 |
| White text | 4.39:1 |
Values
| HEX | #4870EA |
| RGB | rgb(72, 112, 234) |
| HSL | hsl(225, 79%, 60%) |
| OKLCH | oklch(58.3% 0.19 266.7) |
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 #4870EA | 4.39:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #4870EA | 4.78:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #4870EA text on white | 4.39:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #4870EA text on black | 4.78:1 | AA | Lc -31.6 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9F9
oklch(88.5% 0.047 266.7)
-
Step 300
300
#A8C0F9
oklch(81% 0.085 266.8)
-
Step 400
400
#7A9DF6
oklch(70.8% 0.136 266.7)
-
Step 500
500
#5981F2
oklch(63.1% 0.175 266.7)
-
Step 600
600 (this color)
#4870EA
oklch(58.3% 0.19 266.7)
-
Step 700
700
#3355C3
oklch(49.1% 0.176 266.7)
-
Step 800
800
#2A469E
oklch(42.6% 0.147 266.7)
-
Step 900
900
#263C7D
oklch(37.7% 0.114 266.8)
-
Step 950
950
#162449
oklch(27% 0.071 266.2)
#4870EA 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) | #1C80EE | 0.044 |
| Deuteranopia (no green cones) | #0071E8 | 0.039 |
| Tritanopia (no blue cones) | #008DA2 | 0.154 |
| Achromatopsia (no color) | #787878 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4870EA
#4870EA
oklch(58.3% 0.19 266.7)
- #9A7500
#9A7500
oklch(58.3% 0.119 86.4)
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 #4870EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.024
- Neon Blue #4361EE ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.040
- Clear Blue #247AFD ΔE 0.040
- Cornflower #6A79F7 ΔE 0.052
- Bright Blue #0165FC ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.060
- Warm Blue #4B57DB ΔE 0.062
Use #4870EA 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.