#899BFE
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.8% 0.145 274.4), rgb(137, 155, 254).
Aa
Black text reads best on this color (8.18:1).
About this color
#899BFE is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.145 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.009 away. Black text reads best on it, at 8.18:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Values
| HEX | #899BFE |
| RGB | rgb(137, 155, 254) |
| HSL | hsl(231, 98%, 77%) |
| OKLCH | oklch(71.8% 0.145 274.4) |
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 #899BFE | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #899BFE | 8.18:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #899BFE text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #899BFE text on black | 8.18:1 | AAA | Lc -51.8 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED7FB
oklch(88.4% 0.051 274.3)
-
Step 300
300
#AEBDFC
oklch(81% 0.091 273.9)
-
Step 400
400 (this color)
#899BFE
oklch(71.8% 0.145 274.4)
-
Step 500
500
#6A7AF7
oklch(63% 0.185 274.3)
-
Step 600
600
#555FE6
oklch(55.6% 0.202 274.5)
-
Step 700
700
#464DC8
oklch(49% 0.188 274.6)
-
Step 800
800
#3940A2
oklch(42.6% 0.156 274.5)
-
Step 900
900
#303880
oklch(37.7% 0.12 274.3)
-
Step 950
950
#1C214B
oklch(26.9% 0.077 274.9)
#899BFE 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) | #76A7FF | 0.035 |
| Deuteranopia (no green cones) | #6B9DFC | 0.035 |
| Tritanopia (no blue cones) | #5EB0C0 | 0.130 |
| Achromatopsia (no color) | #A2A2A2 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899BFE
#899BFE
oklch(71.8% 0.145 274.4)
- #C1A10B
#C1A10B
oklch(71.7% 0.145 94.4)
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 #899BFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.009
- Perrywinkle #8F8CE7 ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.054
- Periwinkle #8E82FE ΔE 0.062
- Soft Blue #6488EA ΔE 0.075
- Chefchaouen Blue #4895EF ΔE 0.076
- Carolina Blue #8AB8FE ΔE 0.076
Use #899BFE 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.