#4678EC
Closest named color: Clear Blue (#247AFD). oklch(60% 0.183 264.1), rgb(70, 120, 236).
Aa
Black text reads best on this color (5.15:1).
About this color
#4678EC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.183 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.033 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #4678EC |
| RGB | rgb(70, 120, 236) |
| HSL | hsl(222, 81%, 60%) |
| OKLCH | oklch(60% 0.183 264.1) |
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 #4678EC | 4.07:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #4678EC | 5.15:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #4678EC text on white | 4.07:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #4678EC text on black | 5.15:1 | AA | Lc -34.1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A3C0FB
oklch(80.8% 0.09 264.2)
-
Step 400
400
#729EFA
oklch(70.8% 0.144 263.8)
-
Step 500
500 (this color)
#4678EC
oklch(60% 0.183 264.1)
-
Step 600
600
#3468E6
oklch(55.6% 0.2 264)
-
Step 700
700
#2755C8
oklch(49% 0.186 264.1)
-
Step 800
800
#2147A1
oklch(42.7% 0.153 263.8)
-
Step 900
900
#203C80
oklch(37.6% 0.12 264.5)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#4678EC 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) | #3586F0 | 0.035 |
| Deuteranopia (no green cones) | #0077EA | 0.036 |
| Tritanopia (no blue cones) | #0093A7 | 0.146 |
| Achromatopsia (no color) | #7E7E7E | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4678EC
#4678EC
oklch(60% 0.183 264.1)
- #A27900
#A27900
oklch(60% 0.123 84.7)
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 #4678EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.033
- Royal Blue #4169E1 ΔE 0.041
- Cornflower #6A79F7 ΔE 0.044
- Cerulean Blue #056EEE ΔE 0.048
- Soft Blue #6488EA ΔE 0.056
- Neon Blue #4361EE ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.061
- Dodger Blue #1E90FF ΔE 0.063
Use #4678EC 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.