#959BFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.139 279.6), rgb(149, 155, 251).
Aa
Black text reads best on this color (8.35:1).
About this color
#959BFB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.139 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.010 away. Black text reads best on it, at 8.35:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #959BFB |
| RGB | rgb(149, 155, 251) |
| HSL | hsl(236, 93%, 78%) |
| OKLCH | oklch(72.5% 0.139 279.6) |
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 #959BFB | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #959BFB | 8.35:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #959BFB text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #959BFB text on black | 8.35:1 | AAA | Lc -52.8 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6F9
oklch(88.4% 0.048 280.2)
-
Step 300
300
#B5BBF8
oklch(80.9% 0.086 279.9)
-
Step 400
400 (this color)
#959BFB
oklch(72.5% 0.139 279.6)
-
Step 500
500
#7778F1
oklch(63.1% 0.177 279.7)
-
Step 600
600
#625DDF
oklch(55.6% 0.192 279.8)
-
Step 700
700
#514CC2
oklch(49.1% 0.179 279.4)
-
Step 800
800
#423F9D
oklch(42.7% 0.148 279.5)
-
Step 900
900
#37377D
oklch(37.8% 0.116 279.3)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#959BFB 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) | #7AA7FF | 0.041 |
| Deuteranopia (no green cones) | #73A0F9 | 0.042 |
| Tritanopia (no blue cones) | #76AEBF | 0.121 |
| Achromatopsia (no color) | #A3A3A3 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #959BFB
#959BFB
oklch(72.5% 0.139 279.6)
- #BBA729
#BBA729
oklch(72.5% 0.139 99.7)
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 #959BFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.010
- Perrywinkle #8F8CE7 ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.051
- Periwinkle #8E82FE ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.067
- Pale Purple #B790D4 ΔE 0.072
- Liliac #C48EFD ΔE 0.073
- Carolina Blue #8AB8FE ΔE 0.074
Use #959BFB 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.