#899FEB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.6% 0.114 271), rgb(137, 159, 235).
Aa
Black text reads best on this color (8.22:1).
About this color
#899FEB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.114 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.032 away. Black text reads best on it, at 8.22:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.22:1 |
| White text | 2.55:1 |
Values
| HEX | #899FEB |
| RGB | rgb(137, 159, 235) |
| HSL | hsl(227, 71%, 73%) |
| OKLCH | oklch(71.6% 0.114 271) |
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 #899FEB | 2.55:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #899FEB | 8.22:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #899FEB text on white | 2.55:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #899FEB text on black | 8.22:1 | AAA | Lc -52.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F8
oklch(93.5% 0.021 271.2)
-
Step 200
200
#CFD8F4
oklch(88.4% 0.04 271.4)
-
Step 300
300
#AFBFF0
oklch(80.9% 0.072 270.6)
-
Step 400
400 (this color)
#899FEB
oklch(71.6% 0.114 271)
-
Step 500
500
#6982E1
oklch(63.1% 0.146 270.7)
-
Step 600
600
#5269CF
oklch(55.6% 0.159 270.9)
-
Step 700
700
#4357B3
oklch(49.1% 0.147 270.8)
-
Step 800
800
#374891
oklch(42.8% 0.122 270.6)
-
Step 900
900
#2F3D74
oklch(37.8% 0.095 270.5)
-
Step 950
950
#1C2444
oklch(27.1% 0.06 271.3)
#899FEB 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) | #85A6EE | 0.018 |
| Deuteranopia (no green cones) | #7C9EE9 | 0.017 |
| Tritanopia (no blue cones) | #68AEBA | 0.102 |
| Achromatopsia (no color) | #A2A2A2 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FEB
#899FEB
oklch(71.6% 0.114 271)
- #BEA047
#BEA047
oklch(71.5% 0.113 90.6)
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 #899FEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.032
- Perrywinkle #8F8CE7 ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.066
- Pale Purple #B790D4 ΔE 0.074
- Chefchaouen Blue #4895EF ΔE 0.077
- Soft Blue #6488EA ΔE 0.080
Use #899FEB 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.