#899CF1
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.3% 0.126 273.2), rgb(137, 156, 241).
Aa
Black text reads best on this color (8.08:1).
About this color
#899CF1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.020 away. Black text reads best on it, at 8.08:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.08:1 |
| White text | 2.59:1 |
Values
| HEX | #899CF1 |
| RGB | rgb(137, 156, 241) |
| HSL | hsl(229, 79%, 74%) |
| OKLCH | oklch(71.3% 0.126 273.2) |
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 #899CF1 | 2.59:1 | Fails | Lc -55.8 | Large or bold text, headings |
| Black text on #899CF1 | 8.08:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #899CF1 text on white | 2.59:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #899CF1 text on black | 8.08:1 | AAA | Lc -51.3 | 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
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#B0BEF4
oklch(81% 0.078 273.3)
-
Step 400
400 (this color)
#899CF1
oklch(71.3% 0.126 273.2)
-
Step 500
500
#6B7FEA
oklch(63.2% 0.161 273)
-
Step 600
600
#5565D8
oklch(55.6% 0.175 273.3)
-
Step 700
700
#4653BB
oklch(49.1% 0.163 273.5)
-
Step 800
800
#394597
oklch(42.7% 0.134 273.1)
-
Step 900
900
#303B78
oklch(37.7% 0.104 272.8)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#899CF1 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) | #7EA5F4 | 0.025 |
| Deuteranopia (no green cones) | #759DEF | 0.024 |
| Tritanopia (no blue cones) | #65ADBB | 0.112 |
| Achromatopsia (no color) | #A1A1A1 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899CF1
#899CF1
oklch(71.3% 0.126 273.2)
- #BDA036
#BDA036
oklch(71.3% 0.126 93.4)
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 #899CF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.020
- Perrywinkle #8F8CE7 ΔE 0.040
- Cornflower Blue #6495ED ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.054
- Periwinkle #8E82FE ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.072
- Chefchaouen Blue #4895EF ΔE 0.074
- Soft Blue #6488EA ΔE 0.074
Use #899CF1 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.