#879FFF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.142 271.8), rgb(135, 159, 255).
Aa
Black text reads best on this color (8.43:1).
About this color
#879FFF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.142 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.017 away. Black text reads best on it, at 8.43:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.43:1 |
| White text | 2.49:1 |
Values
| HEX | #879FFF |
| RGB | rgb(135, 159, 255) |
| HSL | hsl(228, 100%, 76%) |
| OKLCH | oklch(72.5% 0.142 271.8) |
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 #879FFF | 2.49:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #879FFF | 8.43:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #879FFF text on white | 2.49:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #879FFF text on black | 8.43:1 | AAA | Lc -53.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ACBEFB
oklch(81% 0.089 271.6)
-
Step 400
400 (this color)
#879FFF
oklch(72.5% 0.142 271.8)
-
Step 500
500
#657DF6
oklch(63.2% 0.182 271.8)
-
Step 600
600
#4E62E4
oklch(55.5% 0.197 271.8)
-
Step 700
700
#4050C7
oklch(49.1% 0.184 271.9)
-
Step 800
800
#3442A1
oklch(42.6% 0.153 271.9)
-
Step 900
900
#2D397F
oklch(37.6% 0.118 272.1)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#879FFF 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) | #7BAAFF | 0.030 |
| Deuteranopia (no green cones) | #6F9FFD | 0.028 |
| Tritanopia (no blue cones) | #59B3C3 | 0.127 |
| Achromatopsia (no color) | #A4A4A4 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879FFF
#879FFF
oklch(72.5% 0.142 271.8)
- #C6A21B
#C6A21B
oklch(72.4% 0.142 92)
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 #879FFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.017
- Perrywinkle #8F8CE7 ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.067
- Periwinkle #8E82FE ΔE 0.071
- Chefchaouen Blue #4895EF ΔE 0.078
- Soft Blue #6488EA ΔE 0.081
Use #879FFF 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.