#899EF7
Closest named color: Periwinkle Blue (#8F99FB). oklch(72% 0.132 272.6), rgb(137, 158, 247).
Aa
Black text reads best on this color (8.29:1).
About this color
#899EF7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.132 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.017 away. Black text reads best on it, at 8.29:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.29:1 |
| White text | 2.53:1 |
Values
| HEX | #899EF7 |
| RGB | rgb(137, 158, 247) |
| HSL | hsl(229, 87%, 75%) |
| OKLCH | oklch(72% 0.132 272.6) |
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 #899EF7 | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #899EF7 | 8.29:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #899EF7 text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #899EF7 text on black | 8.29:1 | AAA | Lc -52.4 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#AEBEF7
oklch(80.9% 0.083 272.3)
-
Step 400
400 (this color)
#899EF7
oklch(72% 0.132 272.6)
-
Step 500
500
#697EEE
oklch(63.1% 0.168 272.7)
-
Step 600
600
#5264DC
oklch(55.5% 0.183 272.6)
-
Step 700
700
#4352BF
oklch(49% 0.17 272.6)
-
Step 800
800
#37449B
oklch(42.7% 0.142 272.5)
-
Step 900
900
#2F3A7B
oklch(37.6% 0.11 272.8)
-
Step 950
950
#1B2348
oklch(27% 0.069 271.9)
#899EF7 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) | #7EA8FB | 0.027 |
| Deuteranopia (no green cones) | #749EF5 | 0.025 |
| Tritanopia (no blue cones) | #62B0BF | 0.117 |
| Achromatopsia (no color) | #A3A3A3 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899EF7
#899EF7
oklch(72% 0.132 272.6)
- #C2A22F
#C2A22F
oklch(72.1% 0.132 92.7)
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 #899EF7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.017
- Perrywinkle #8F8CE7 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.067
- Periwinkle #8E82FE ΔE 0.072
- Chefchaouen Blue #4895EF ΔE 0.076
- Soft Blue #6488EA ΔE 0.078
Use #899EF7 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.