#899BFC
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.143 274.3), rgb(137, 155, 252).
Aa
Black text reads best on this color (8.15:1).
About this color
#899BFC is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.143 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 8.15:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #899BFC |
| RGB | rgb(137, 155, 252) |
| HSL | hsl(231, 95%, 76%) |
| OKLCH | oklch(71.7% 0.143 274.3) |
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 #899BFC | 2.57:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #899BFC | 8.15:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #899BFC text on white | 2.57:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #899BFC text on black | 8.15:1 | AAA | Lc -51.7 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#AFBDFB
oklch(81% 0.089 274.4)
-
Step 400
400 (this color)
#899BFC
oklch(71.7% 0.143 274.3)
-
Step 500
500
#6B7BF5
oklch(63.1% 0.181 274.4)
-
Step 600
600
#5560E4
oklch(55.6% 0.198 274.4)
-
Step 700
700
#464EC6
oklch(49% 0.184 274.5)
-
Step 800
800
#3941A0
oklch(42.7% 0.152 274.3)
-
Step 900
900
#30387F
oklch(37.6% 0.119 274.3)
-
Step 950
950
#1C224B
oklch(27.1% 0.076 274)
#899BFC 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) | #77A6FF | 0.032 |
| Deuteranopia (no green cones) | #6D9DFA | 0.033 |
| Tritanopia (no blue cones) | #5FAFBF | 0.127 |
| Achromatopsia (no color) | #A1A1A1 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899BFC
#899BFC
oklch(71.7% 0.143 274.3)
- #C1A116
#C1A116
oklch(71.7% 0.143 94.1)
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 #899BFC, 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 0.044
- Lavender Blue #8B88F8 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.053
- Periwinkle #8E82FE ΔE 0.062
- Soft Blue #6488EA ΔE 0.074
- Chefchaouen Blue #4895EF ΔE 0.075
- Carolina Blue #8AB8FE ΔE 0.076
Use #899BFC 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.