#899EF3
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.8% 0.126 272.3), rgb(137, 158, 243).
Aa
Black text reads best on this color (8.24:1).
About this color
#899EF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.126 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.021 away. Black text reads best on it, at 8.24:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #899EF3 |
| RGB | rgb(137, 158, 243) |
| HSL | hsl(228, 82%, 75%) |
| OKLCH | oklch(71.8% 0.126 272.3) |
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 #899EF3 | 2.54:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #899EF3 | 8.24:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #899EF3 text on white | 2.54:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #899EF3 text on black | 8.24:1 | AAA | Lc -52.2 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF4
oklch(80.9% 0.078 272.5)
-
Step 400
400 (this color)
#899EF3
oklch(71.8% 0.126 272.3)
-
Step 500
500
#697FEA
oklch(63.1% 0.162 272.3)
-
Step 600
600
#5366D8
oklch(55.7% 0.175 272.3)
-
Step 700
700
#4454BB
oklch(49.2% 0.162 272.4)
-
Step 800
800
#374598
oklch(42.7% 0.136 272.2)
-
Step 900
900
#2F3B79
oklch(37.7% 0.106 272.1)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#899EF3 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) | #80A7F6 | 0.024 |
| Deuteranopia (no green cones) | #769EF1 | 0.023 |
| Tritanopia (no blue cones) | #64AFBD | 0.112 |
| Achromatopsia (no color) | #A2A2A2 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899EF3
#899EF3
oklch(71.8% 0.126 272.3)
- #C0A137
#C0A137
oklch(71.8% 0.127 92.3)
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 #899EF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.021
- Perrywinkle #8F8CE7 ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.058
- Carolina Blue #8AB8FE ΔE 0.067
- Periwinkle #8E82FE ΔE 0.075
- Chefchaouen Blue #4895EF ΔE 0.076
- Pale Purple #B790D4 ΔE 0.078
Use #899EF3 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.