#4B7FEC
Closest named color: Soft Blue (#6488EA). oklch(61.6% 0.174 263.1), rgb(75, 127, 236).
Aa
Black text reads best on this color (5.54:1).
About this color
#4B7FEC is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.174 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.038 away. Black text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #4B7FEC |
| RGB | rgb(75, 127, 236) |
| HSL | hsl(221, 81%, 61%) |
| OKLCH | oklch(61.6% 0.174 263.1) |
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 #4B7FEC | 3.78:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #4B7FEC | 5.54:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #4B7FEC text on white | 3.78:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #4B7FEC text on black | 5.54:1 | AA | Lc -36.6 | 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 500.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A4C1F8
oklch(80.9% 0.084 263)
-
Step 400
400
#739FF5
oklch(70.8% 0.135 262.8)
-
Step 500
500 (this color)
#4B7FEC
oklch(61.6% 0.174 263.1)
-
Step 600
600
#346AE0
oklch(55.6% 0.189 263.1)
-
Step 700
700
#2758C2
oklch(49.1% 0.175 262.9)
-
Step 800
800
#21489D
oklch(42.6% 0.146 263.1)
-
Step 900
900
#203E7D
oklch(37.8% 0.113 263)
-
Step 950
950
#132549
oklch(27.1% 0.071 262.6)
#4B7FEC 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) | #478BF0 | 0.030 |
| Deuteranopia (no green cones) | #247CEA | 0.031 |
| Tritanopia (no blue cones) | #0098AA | 0.140 |
| Achromatopsia (no color) | #838383 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7FEC
#4B7FEC
oklch(61.6% 0.174 263.1)
- #AA7D00
#AA7D00
oklch(61.8% 0.127 83.2)
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 #4B7FEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.038
- Cornflower #6A79F7 ΔE 0.040
- Clear Blue #247AFD ΔE 0.041
- Dark Sky Blue #448EE4 ΔE 0.043
- Dodger Blue #1E90FF ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.057
- Royal Blue #4169E1 ΔE 0.059
- Cerulean Blue #056EEE ΔE 0.065
Use #4B7FEC 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.