#959FDB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.088 276.6), rgb(149, 159, 219).
Aa
Black text reads best on this color (8.26:1).
About this color
#959FDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.088 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.054 away. Black text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #959FDB |
| RGB | rgb(149, 159, 219) |
| HSL | hsl(231, 49%, 72%) |
| OKLCH | oklch(71.7% 0.088 276.6) |
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 #959FDB | 2.54:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #959FDB | 8.26:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #959FDB text on white | 2.54:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #959FDB text on black | 8.26:1 | AAA | Lc -52.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B7BEE5
oklch(80.9% 0.056 277.1)
-
Step 400
400 (this color)
#959FDB
oklch(71.7% 0.088 276.6)
-
Step 500
500
#7882CD
oklch(63% 0.113 276.9)
-
Step 600
600
#616BBA
oklch(55.6% 0.122 276.2)
-
Step 700
700
#5159A0
oklch(49.2% 0.113 276.6)
-
Step 800
800
#424982
oklch(42.8% 0.094 276.4)
-
Step 900
900
#383D68
oklch(37.7% 0.074 277.2)
-
Step 950
950
#21243D
oklch(27% 0.047 277.6)
#959FDB 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) | #8DA5DE | 0.017 |
| Deuteranopia (no green cones) | #88A0DA | 0.017 |
| Tritanopia (no blue cones) | #82AAB4 | 0.078 |
| Achromatopsia (no color) | #A2A2A2 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #959FDB
#959FDB
oklch(71.7% 0.088 276.6)
- #B3A462
#B3A462
oklch(71.7% 0.088 96.9)
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 #959FDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.054
- Pale Purple #B790D4 ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.069
- Cool Steel #97A7B3 ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.070
- Carolina Blue #8AB8FE ΔE 0.072
Use #959FDB 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.