#5F87EC
Closest named color: Soft Blue (#6488EA). oklch(64.2% 0.158 265.9), rgb(95, 135, 236).
Aa
Black text reads best on this color (6.16:1).
About this color
#5F87EC is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.158 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.007 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #5F87EC |
| RGB | rgb(95, 135, 236) |
| HSL | hsl(223, 79%, 65%) |
| OKLCH | oklch(64.2% 0.158 265.9) |
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 #5F87EC | 3.40:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #5F87EC | 6.16:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #5F87EC text on white | 3.40:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #5F87EC text on black | 6.16:1 | AA | Lc -40.4 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F6
oklch(88.5% 0.042 266.3)
-
Step 300
300
#A9C0F3
oklch(80.8% 0.077 265.8)
-
Step 400
400
#7C9EEE
oklch(70.7% 0.124 265.8)
-
Step 500
500 (this color)
#5F87EC
oklch(64.2% 0.158 265.9)
-
Step 600
600
#436BD6
oklch(55.7% 0.171 265.7)
-
Step 700
700
#3558BA
oklch(49.1% 0.16 265.9)
-
Step 800
800
#2C4996
oklch(42.8% 0.131 265.6)
-
Step 900
900
#273E78
oklch(37.8% 0.103 265.5)
-
Step 950
950
#172446
oklch(26.9% 0.066 266.3)
#5F87EC 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) | #5992F0 | 0.028 |
| Deuteranopia (no green cones) | #4585EA | 0.027 |
| Tritanopia (no blue cones) | #009EAE | 0.137 |
| Achromatopsia (no color) | #8B8B8B | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F87EC
#5F87EC
oklch(64.2% 0.158 265.9)
- #B08600
#B08600
oklch(64.3% 0.132 86.3)
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 #5F87EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.007
- Dark Sky Blue #448EE4 ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.039
- Cornflower #6A79F7 ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.064
Use #5F87EC 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.