#899EEF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.6% 0.121 272), rgb(137, 158, 239).
Aa
Black text reads best on this color (8.20:1).
About this color
#899EEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.121 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.025 away. Black text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.20:1 |
| White text | 2.56:1 |
Values
| HEX | #899EEF |
| RGB | rgb(137, 158, 239) |
| HSL | hsl(228, 76%, 74%) |
| OKLCH | oklch(71.6% 0.121 272) |
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 #899EEF | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #899EEF | 8.20:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #899EEF text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #899EEF text on black | 8.20:1 | AAA | Lc -51.9 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AFBEF2
oklch(80.8% 0.076 272.1)
-
Step 400
400 (this color)
#899EEF
oklch(71.6% 0.121 272)
-
Step 500
500
#6A80E6
oklch(63.1% 0.155 272.1)
-
Step 600
600
#5367D4
oklch(55.6% 0.168 272)
-
Step 700
700
#4455B8
oklch(49.1% 0.157 272)
-
Step 800
800
#384695
oklch(42.7% 0.13 272.2)
-
Step 900
900
#303C76
oklch(37.8% 0.1 272)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#899EEF 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) | #81A6F2 | 0.021 |
| Deuteranopia (no green cones) | #789EED | 0.021 |
| Tritanopia (no blue cones) | #66AFBB | 0.109 |
| Achromatopsia (no color) | #A2A2A2 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899EEF
#899EEF
oklch(71.6% 0.121 272)
- #BEA13E
#BEA13E
oklch(71.6% 0.121 92.6)
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 #899EEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.060
- Carolina Blue #8AB8FE ΔE 0.067
- Pale Purple #B790D4 ΔE 0.075
- Chefchaouen Blue #4895EF ΔE 0.075
- Soft Blue #6488EA ΔE 0.078
Use #899EEF 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.