#90A7FB
Closest named color: Periwinkle Blue (#8F99FB). oklch(74.5% 0.124 271.5), rgb(144, 167, 251).
Aa
Black text reads best on this color (9.10:1).
About this color
#90A7FB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.124 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.037 away. Black text reads best on it, at 9.10:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 9.10:1 |
| White text | 2.30:1 |
Values
| HEX | #90A7FB |
| RGB | rgb(144, 167, 251) |
| HSL | hsl(227, 93%, 77%) |
| OKLCH | oklch(74.5% 0.124 271.5) |
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 #90A7FB | 2.30:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #90A7FB | 9.10:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #90A7FB text on white | 2.30:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #90A7FB text on black | 9.10:1 | AAA | Lc -56.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#AEBEF4
oklch(80.8% 0.079 271.7)
-
Step 400
400 (this color)
#90A7FB
oklch(74.5% 0.124 271.5)
-
Step 500
500
#6880E9
oklch(63.2% 0.159 271.5)
-
Step 600
600
#5167D7
oklch(55.7% 0.173 271.4)
-
Step 700
700
#4255BA
oklch(49.2% 0.16 271.3)
-
Step 800
800
#364697
oklch(42.8% 0.133 271.3)
-
Step 900
900
#2E3C78
oklch(37.8% 0.103 270.9)
-
Step 950
950
#1B2346
oklch(26.9% 0.066 271.6)
#90A7FB 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) | #89B0FE | 0.023 |
| Deuteranopia (no green cones) | #80A6F9 | 0.020 |
| Tritanopia (no blue cones) | #6BB8C6 | 0.110 |
| Achromatopsia (no color) | #ABABAB | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A7FB
#90A7FB
oklch(74.5% 0.124 271.5)
- #C9A944
#C9A944
oklch(74.4% 0.124 91.4)
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 #90A7FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.037
- Carolina Blue #8AB8FE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.076
- Lavender Blue #8B88F8 ΔE 0.080
- Pastel Purple #CAA0FF ΔE 0.082
- Baby Purple #CA9BF7 ΔE 0.083
Use #90A7FB 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.