#879DDF
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.5% 0.1 269.6), rgb(135, 157, 223).
Aa
Black text reads best on this color (7.91:1).
About this color
#879DDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.100 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.047 away. Black text reads best on it, at 7.91:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #879DDF |
| RGB | rgb(135, 157, 223) |
| HSL | hsl(225, 58%, 70%) |
| OKLCH | oklch(70.5% 0.1 269.6) |
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 #879DDF | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #879DDF | 7.91:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #879DDF text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #879DDF text on black | 7.91:1 | AAA | Lc -50.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0BFEA
oklch(80.8% 0.063 269.9)
-
Step 400
400 (this color)
#879DDF
oklch(70.5% 0.1 269.6)
-
Step 500
500
#6B84D7
oklch(63.1% 0.128 269.8)
-
Step 600
600
#536CC4
oklch(55.5% 0.139 269.5)
-
Step 700
700
#445AA9
oklch(49.1% 0.129 269.5)
-
Step 800
800
#384A89
oklch(42.7% 0.107 269.5)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#879DDF 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) | #87A3E2 | 0.016 |
| Deuteranopia (no green cones) | #7F9BDD | 0.012 |
| Tritanopia (no blue cones) | #6BAAB4 | 0.090 |
| Achromatopsia (no color) | #9F9F9F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879DDF
#879DDF
oklch(70.5% 0.1 269.6)
- #B99D52
#B99D52
oklch(70.5% 0.1 89.2)
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 #879DDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.054
- Cool Gray #8D99AE ΔE 0.071
- Greyblue #77A1B5 ΔE 0.072
- Pale Purple #B790D4 ΔE 0.072
- Lavender Blue #8B88F8 ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.074
Use #879DDF 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.