#879EFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.1% 0.138 272), rgb(135, 158, 251).
Aa
Black text reads best on this color (8.31:1).
About this color
#879EFB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.138 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.015 away. Black text reads best on it, at 8.31:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.31:1 |
| White text | 2.52:1 |
Values
| HEX | #879EFB |
| RGB | rgb(135, 158, 251) |
| HSL | hsl(228, 94%, 76%) |
| OKLCH | oklch(72.1% 0.138 272) |
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 #879EFB | 2.52:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #879EFB | 8.31:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #879EFB text on white | 2.52:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #879EFB text on black | 8.31:1 | AAA | Lc -52.5 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEF9
oklch(81% 0.086 271.9)
-
Step 400
400 (this color)
#879EFB
oklch(72.1% 0.138 272)
-
Step 500
500
#667DF2
oklch(63% 0.176 272.1)
-
Step 600
600
#5063E1
oklch(55.6% 0.191 272.2)
-
Step 700
700
#4151C4
oklch(49.1% 0.179 272)
-
Step 800
800
#35439E
oklch(42.6% 0.148 272)
-
Step 900
900
#2E3A7E
oklch(37.8% 0.115 272.2)
-
Step 950
950
#1B224A
oklch(27% 0.074 273)
#879EFB 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) | #7BA8FF | 0.027 |
| Deuteranopia (no green cones) | #709EF9 | 0.027 |
| Tritanopia (no blue cones) | #5BB1C1 | 0.122 |
| Achromatopsia (no color) | #A3A3A3 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879EFB
#879EFB
oklch(72.1% 0.138 272)
- #C4A124
#C4A124
oklch(72.1% 0.138 91.8)
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 #879EFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.015
- Perrywinkle #8F8CE7 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.055
- Carolina Blue #8AB8FE ΔE 0.068
- Periwinkle #8E82FE ΔE 0.070
- Chefchaouen Blue #4895EF ΔE 0.075
- Soft Blue #6488EA ΔE 0.077
Use #879EFB 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.