#899DDB
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.4% 0.094 270.1), rgb(137, 157, 219).
Aa
Black text reads best on this color (7.90:1).
About this color
#899DDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.094 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.052 away. Black text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #899DDB |
| RGB | rgb(137, 157, 219) |
| HSL | hsl(225, 53%, 70%) |
| OKLCH | oklch(70.4% 0.094 270.1) |
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 #899DDB | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #899DDB | 7.90:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #899DDB text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #899DDB text on black | 7.90:1 | AAA | Lc -50.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2BFE8
oklch(80.8% 0.06 271.2)
-
Step 400
400 (this color)
#899DDB
oklch(70.4% 0.094 270.1)
-
Step 500
500
#6D85D2
oklch(63.2% 0.12 269.6)
-
Step 600
600
#566DBF
oklch(55.6% 0.13 270)
-
Step 700
700
#475BA5
oklch(49.2% 0.121 270.1)
-
Step 800
800
#3A4A86
oklch(42.7% 0.101 270.4)
-
Step 900
900
#323E6B
oklch(37.6% 0.079 270.9)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#899DDB 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) | #88A3DE | 0.016 |
| Deuteranopia (no green cones) | #819CDA | 0.011 |
| Tritanopia (no blue cones) | #70A9B3 | 0.083 |
| Achromatopsia (no color) | #9F9F9F | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899DDB
#899DDB
oklch(70.4% 0.094 270.1)
- #B69D58
#B69D58
oklch(70.3% 0.093 90)
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 #899DDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.059
- Cool Gray #8D99AE ΔE 0.065
- Greyblue #77A1B5 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.069
- Pale Purple #B790D4 ΔE 0.070
Use #899DDB 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.