#5F87EE
Closest named color: Soft Blue (#6488EA). oklch(64.4% 0.16 266.1), rgb(95, 135, 238).
Aa
Black text reads best on this color (6.18:1).
About this color
#5F87EE is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.160 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.009 away. Black text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #5F87EE |
| RGB | rgb(95, 135, 238) |
| HSL | hsl(223, 81%, 65%) |
| OKLCH | oklch(64.4% 0.16 266.1) |
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 #5F87EE | 3.39:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #5F87EE | 6.18:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #5F87EE text on white | 3.39:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #5F87EE text on black | 6.18:1 | AA | Lc -40.5 | 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
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F7
oklch(88.5% 0.044 266.9)
-
Step 300
300
#A9C0F4
oklch(80.9% 0.078 266.1)
-
Step 400
400
#7C9EEF
oklch(70.8% 0.125 266)
-
Step 500
500 (this color)
#5F87EE
oklch(64.4% 0.16 266.1)
-
Step 600
600
#436AD8
oklch(55.6% 0.174 266.1)
-
Step 700
700
#3558BB
oklch(49.2% 0.161 266)
-
Step 800
800
#2C4897
oklch(42.6% 0.134 266.1)
-
Step 900
900
#273D79
oklch(37.6% 0.106 266.3)
-
Step 950
950
#172447
oklch(26.9% 0.068 266.6)
#5F87EE 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) | #5892F2 | 0.028 |
| Deuteranopia (no green cones) | #4385EC | 0.028 |
| Tritanopia (no blue cones) | #009EAF | 0.138 |
| Achromatopsia (no color) | #8B8B8B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F87EE
#5F87EE
oklch(64.4% 0.16 266.1)
- #B18600
#B18600
oklch(64.4% 0.132 85.8)
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 #5F87EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.009
- Dark Sky Blue #448EE4 ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.039
- Cornflower #6A79F7 ΔE 0.040
- Dodger Blue #1E90FF ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.065
Use #5F87EE 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.