#879CFD
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.8% 0.143 273.1), rgb(135, 156, 253).
Aa
Black text reads best on this color (8.20:1).
About this color
#879CFD is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.143 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.012 away. Black text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.20:1 |
| White text | 2.55:1 |
Values
| HEX | #879CFD |
| RGB | rgb(135, 156, 253) |
| HSL | hsl(229, 97%, 76%) |
| OKLCH | oklch(71.8% 0.143 273.1) |
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 #879CFD | 2.55:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #879CFD | 8.20:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #879CFD text on white | 2.55:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #879CFD text on black | 8.20:1 | AAA | Lc -52.0 | 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
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFB
oklch(80.8% 0.09 273.1)
-
Step 400
400 (this color)
#879CFD
oklch(71.8% 0.143 273.1)
-
Step 500
500
#677CF6
oklch(63.2% 0.182 272.8)
-
Step 600
600
#5161E5
oklch(55.6% 0.199 272.9)
-
Step 700
700
#434FC7
oklch(49.1% 0.185 273.1)
-
Step 800
800
#3742A1
oklch(42.8% 0.153 273.1)
-
Step 900
900
#2E3980
oklch(37.7% 0.12 272.7)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#879CFD 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) | #77A7FF | 0.031 |
| Deuteranopia (no green cones) | #6C9DFB | 0.031 |
| Tritanopia (no blue cones) | #5AB0C0 | 0.128 |
| Achromatopsia (no color) | #A2A2A2 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879CFD
#879CFD
oklch(71.8% 0.143 273.1)
- #C3A114
#C3A114
oklch(71.9% 0.143 93.2)
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 #879CFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.012
- Perrywinkle #8F8CE7 ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.052
- Periwinkle #8E82FE ΔE 0.065
- Carolina Blue #8AB8FE ΔE 0.074
- Chefchaouen Blue #4895EF ΔE 0.074
- Soft Blue #6488EA ΔE 0.074
Use #879CFD 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.