#9099EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.1% 0.126 278.1), rgb(144, 153, 239).
Aa
Black text reads best on this color (7.98:1).
About this color
#9099EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.018 away. Black text reads best on it, at 7.98:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.98:1 |
| White text | 2.62:1 |
Values
| HEX | #9099EF |
| RGB | rgb(144, 153, 239) |
| HSL | hsl(234, 75%, 75%) |
| OKLCH | oklch(71.1% 0.126 278.1) |
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 #9099EF | 2.62:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #9099EF | 7.98:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #9099EF text on white | 2.62:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #9099EF text on black | 7.98:1 | AAA | Lc -50.7 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B4BCF3
oklch(80.8% 0.078 278.1)
-
Step 400
400 (this color)
#9099EF
oklch(71.1% 0.126 278.1)
-
Step 500
500
#757CE8
oklch(63.2% 0.16 278)
-
Step 600
600
#5F62D6
oklch(55.6% 0.174 278)
-
Step 700
700
#4F50BA
oklch(49.1% 0.163 278.1)
-
Step 800
800
#414296
oklch(42.6% 0.135 278.5)
-
Step 900
900
#363978
oklch(37.7% 0.105 278)
-
Step 950
950
#202246
oklch(27.1% 0.066 278.6)
#9099EF 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) | #7CA3F2 | 0.033 |
| Deuteranopia (no green cones) | #769CED | 0.033 |
| Tritanopia (no blue cones) | #73AAB9 | 0.110 |
| Achromatopsia (no color) | #A0A0A0 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9099EF
#9099EF
oklch(71.1% 0.126 278.1)
- #B7A238
#B7A238
oklch(71.1% 0.125 97.8)
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 #9099EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.018
- Perrywinkle #8F8CE7 ΔE 0.033
- Lavender Blue #8B88F8 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.056
- Periwinkle #8E82FE ΔE 0.066
- Pale Purple #B790D4 ΔE 0.066
- Soft Blue #6488EA ΔE 0.075
- Carolina Blue #8AB8FE ΔE 0.079
Use #9099EF 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.