#8991EF
Closest named color: Perrywinkle (#8F8CE7). oklch(69% 0.138 278.5), rgb(137, 145, 239).
Aa
Black text reads best on this color (7.36:1).
About this color
#8991EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.138 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.017 away. Black text reads best on it, at 7.36:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #8991EF |
| RGB | rgb(137, 145, 239) |
| HSL | hsl(235, 76%, 74%) |
| OKLCH | oklch(69% 0.138 278.5) |
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 #8991EF | 2.85:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #8991EF | 7.36:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #8991EF text on white | 2.85:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #8991EF text on black | 7.36:1 | AAA | Lc -47.3 | 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
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B4BCF8
oklch(81% 0.085 278.4)
-
Step 400
400 (this color)
#8991EF
oklch(69% 0.138 278.5)
-
Step 500
500
#7479F1
oklch(63.1% 0.176 278.3)
-
Step 600
600
#5F5EDF
oklch(55.5% 0.191 278.5)
-
Step 700
700
#4F4DC2
oklch(49.2% 0.178 278.4)
-
Step 800
800
#40409D
oklch(42.7% 0.147 278.2)
-
Step 900
900
#36377C
oklch(37.6% 0.114 278.7)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#8991EF 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) | #6F9DF3 | 0.040 |
| Deuteranopia (no green cones) | #6895ED | 0.040 |
| Tritanopia (no blue cones) | #68A4B5 | 0.120 |
| Achromatopsia (no color) | #999999 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8991EF
#8991EF
oklch(69% 0.138 278.5)
- #B29C17
#B29C17
oklch(69.2% 0.138 98.6)
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 #8991EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.017
- Periwinkle Blue #8F99FB ΔE 0.027
- Lavender Blue #8B88F8 ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.045
- Periwinkle #8E82FE ΔE 0.047
- Soft Blue #6488EA ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.069
- Pale Purple #B790D4 ΔE 0.077
Use #8991EF 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.