#4F87F1
Closest named color: Soft Blue (#6488EA). oklch(63.8% 0.17 261.8), rgb(79, 135, 241).
Aa
Black text reads best on this color (6.06:1).
About this color
#4F87F1 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.170 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.024 away. Black text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #4F87F1 |
| RGB | rgb(79, 135, 241) |
| HSL | hsl(219, 85%, 63%) |
| OKLCH | oklch(63.8% 0.17 261.8) |
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 #4F87F1 | 3.46:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #4F87F1 | 6.06:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #4F87F1 text on white | 3.46:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #4F87F1 text on black | 6.06:1 | AA | Lc -39.9 | 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
#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
#A3C1F7
oklch(80.8% 0.084 262)
-
Step 400
400
#729FF3
oklch(70.6% 0.133 262.1)
-
Step 500
500 (this color)
#4F87F1
oklch(63.8% 0.17 261.8)
-
Step 600
600
#316CDD
oklch(55.7% 0.184 261.7)
-
Step 700
700
#2459C0
oklch(49.1% 0.172 261.9)
-
Step 800
800
#1F499B
oklch(42.6% 0.142 261.9)
-
Step 900
900
#1E3E7B
oklch(37.6% 0.111 261.8)
-
Step 950
950
#122548
oklch(27% 0.07 261.5)
#4F87F1 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) | #5392F5 | 0.029 |
| Deuteranopia (no green cones) | #3683EF | 0.025 |
| Tritanopia (no blue cones) | #00A0B0 | 0.139 |
| Achromatopsia (no color) | #8A8A8A | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F87F1
#4F87F1
oklch(63.8% 0.17 261.8)
- #B38200
#B38200
oklch(63.8% 0.132 81.9)
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 #4F87F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.024
- Dark Sky Blue #448EE4 ΔE 0.030
- Dodger Blue #1E90FF ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.037
- Cornflower #6A79F7 ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.047
- Clear Blue #247AFD ΔE 0.053
- Water Blue #0E87CC ΔE 0.071
Use #4F87F1 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.