#5F8FF3
Closest named color: Soft Blue (#6488EA). oklch(66.3% 0.158 263.4), rgb(95, 143, 243).
Aa
Black text reads best on this color (6.70:1).
About this color
#5F8FF3 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.158 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.020 away. Black text reads best on it, at 6.70:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.70:1 |
| White text | 3.12:1 |
Values
| HEX | #5F8FF3 |
| RGB | rgb(95, 143, 243) |
| HSL | hsl(221, 86%, 66%) |
| OKLCH | oklch(66.3% 0.158 263.4) |
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 #5F8FF3 | 3.12:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #5F8FF3 | 6.70:1 | AA | Lc 46.0 | Large or bold text, headings |
| #5F8FF3 text on white | 3.12:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #5F8FF3 text on black | 6.70:1 | AA | Lc -43.6 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF6
oklch(88.6% 0.042 263)
-
Step 300
300
#A7C1F3
oklch(80.9% 0.077 263.3)
-
Step 400
400
#789FEE
oklch(70.7% 0.124 263.5)
-
Step 500
500 (this color)
#5F8FF3
oklch(66.3% 0.158 263.4)
-
Step 600
600
#3C6CD6
oklch(55.6% 0.171 263.5)
-
Step 700
700
#2E5ABA
oklch(49.2% 0.16 263.2)
-
Step 800
800
#274A96
oklch(42.7% 0.131 263.3)
-
Step 900
900
#243E78
oklch(37.6% 0.104 263.9)
-
Step 950
950
#152546
oklch(27% 0.065 263.2)
#5F8FF3 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) | #6299F7 | 0.027 |
| Deuteranopia (no green cones) | #4D8BF1 | 0.022 |
| Tritanopia (no blue cones) | #00A6B5 | 0.136 |
| Achromatopsia (no color) | #929292 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F8FF3
#5F8FF3
oklch(66.3% 0.158 263.4)
- #BB8A00
#BB8A00
oklch(66.3% 0.136 83.3)
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 #5F8FF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.020
- Cornflower Blue #6495ED ΔE 0.021
- Chefchaouen Blue #4895EF ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.035
- Dodger Blue #1E90FF ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.056
- Cornflower #6A79F7 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.060
Use #5F8FF3 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.