#899FFC
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.138 272.5), rgb(137, 159, 252).
Aa
Black text reads best on this color (8.42:1).
About this color
#899FFC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.138 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.016 away. Black text reads best on it, at 8.42:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.42:1 |
| White text | 2.49:1 |
Values
| HEX | #899FFC |
| RGB | rgb(137, 159, 252) |
| HSL | hsl(229, 95%, 76%) |
| OKLCH | oklch(72.5% 0.138 272.5) |
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 #899FFC | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #899FFC | 8.42:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #899FFC text on white | 2.49:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #899FFC text on black | 8.42:1 | AAA | Lc -53.2 | 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEF9
oklch(81% 0.086 271.9)
-
Step 400
400 (this color)
#899FFC
oklch(72.5% 0.138 272.5)
-
Step 500
500
#677DF2
oklch(63.1% 0.176 272.4)
-
Step 600
600
#5163E1
oklch(55.7% 0.191 272.5)
-
Step 700
700
#4251C3
oklch(49.1% 0.177 272.4)
-
Step 800
800
#36439E
oklch(42.7% 0.147 272.4)
-
Step 900
900
#2E3A7D
oklch(37.7% 0.114 272.2)
-
Step 950
950
#1B2249
oklch(26.9% 0.072 272.9)
#899FFC 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) | #7DA9FF | 0.027 |
| Deuteranopia (no green cones) | #72A0FA | 0.027 |
| Tritanopia (no blue cones) | #5FB2C2 | 0.122 |
| Achromatopsia (no color) | #A4A4A4 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FFC
#899FFC
oklch(72.5% 0.138 272.5)
- #C4A327
#C4A327
oklch(72.5% 0.138 92.9)
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 #899FFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.016
- Perrywinkle #8F8CE7 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.066
- Periwinkle #8E82FE ΔE 0.073
- Chefchaouen Blue #4895EF ΔE 0.079
- Soft Blue #6488EA ΔE 0.081
Use #899FFC 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.