#899FDD
Closest named color: Periwinkle Blue (#8F99FB). oklch(71% 0.094 268.9), rgb(137, 159, 221).
Aa
Black text reads best on this color (8.06:1).
About this color
#899FDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.094 and its hue 269°. 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 8.06:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #899FDD |
| RGB | rgb(137, 159, 221) |
| HSL | hsl(224, 55%, 70%) |
| OKLCH | oklch(71% 0.094 268.9) |
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 #899FDD | 2.60:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #899FDD | 8.06:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #899FDD text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #899FDD text on black | 8.06:1 | AAA | Lc -51.1 | 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
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B1C0E8
oklch(81% 0.059 268.9)
-
Step 400
400 (this color)
#899FDD
oklch(71% 0.094 268.9)
-
Step 500
500
#6B85D3
oklch(63.1% 0.122 268.8)
-
Step 600
600
#546DC0
oklch(55.5% 0.132 269.2)
-
Step 700
700
#445BA5
oklch(49% 0.122 268.6)
-
Step 800
800
#384B86
oklch(42.8% 0.101 268.5)
-
Step 900
900
#303F6B
oklch(37.7% 0.078 268.3)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#899FDD 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) | #8AA4E0 | 0.013 |
| Deuteranopia (no green cones) | #839DDC | 0.010 |
| Tritanopia (no blue cones) | #6FABB5 | 0.083 |
| Achromatopsia (no color) | #A0A0A0 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FDD
#899FDD
oklch(71% 0.094 268.9)
- #B99E59
#B99E59
oklch(70.8% 0.094 88.6)
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 #899FDD, 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 0.056
- Cornflower Blue #6495ED ΔE 0.060
- Cool Gray #8D99AE ΔE 0.068
- Greyblue #77A1B5 ΔE 0.068
- Bluey Grey #89A0B0 ΔE 0.069
- Bluegrey #85A3B2 ΔE 0.069
- Pale Purple #B790D4 ΔE 0.071
Use #899FDD 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.