#9099EC
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.9% 0.121 278.1), rgb(144, 153, 236).
Aa
Black text reads best on this color (7.95:1).
About this color
#9099EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.121 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.022 away. Black text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.95:1 |
| White text | 2.64:1 |
Values
| HEX | #9099EC |
| RGB | rgb(144, 153, 236) |
| HSL | hsl(234, 71%, 75%) |
| OKLCH | oklch(70.9% 0.121 278.1) |
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 #9099EC | 2.64:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #9099EC | 7.95:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #9099EC text on white | 2.64:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #9099EC text on black | 7.95:1 | AAA | Lc -50.5 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BCF2
oklch(80.9% 0.077 278.8)
-
Step 400
400 (this color)
#9099EC
oklch(70.9% 0.121 278.1)
-
Step 500
500
#757CE5
oklch(63% 0.156 278)
-
Step 600
600
#6063D3
oklch(55.6% 0.169 278.2)
-
Step 700
700
#4F51B7
oklch(49% 0.158 278)
-
Step 800
800
#414394
oklch(42.7% 0.13 278.3)
-
Step 900
900
#363A76
oklch(37.8% 0.101 277.5)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#9099EC 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) | #7DA3EF | 0.032 |
| Deuteranopia (no green cones) | #779CEA | 0.032 |
| Tritanopia (no blue cones) | #74A9B8 | 0.106 |
| Achromatopsia (no color) | #9F9F9F | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9099EC
#9099EC
oklch(70.9% 0.121 278.1)
- #B5A23D
#B5A23D
oklch(71% 0.122 98.5)
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 #9099EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.022
- Perrywinkle #8F8CE7 ΔE 0.033
- Lavender Blue #8B88F8 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.055
- Pale Purple #B790D4 ΔE 0.064
- Periwinkle #8E82FE ΔE 0.069
- Soft Blue #6488EA ΔE 0.075
- Carolina Blue #8AB8FE ΔE 0.079
Use #9099EC 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.