#899CDE
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.4% 0.099 271.4), rgb(137, 156, 222).
Aa
Black text reads best on this color (7.87:1).
About this color
#899CDE is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.099 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.047 away. Black text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #899CDE |
| RGB | rgb(137, 156, 222) |
| HSL | hsl(227, 56%, 70%) |
| OKLCH | oklch(70.4% 0.099 271.4) |
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 #899CDE | 2.66:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #899CDE | 7.87:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #899CDE text on white | 2.66:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #899CDE text on black | 7.87:1 | AAA | Lc -50.1 | 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
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B2BFEA
oklch(80.9% 0.063 271.8)
-
Step 400
400 (this color)
#899CDE
oklch(70.4% 0.099 271.4)
-
Step 500
500
#6E83D6
oklch(63% 0.127 271.6)
-
Step 600
600
#576BC3
oklch(55.5% 0.138 271.6)
-
Step 700
700
#4759A9
oklch(49.1% 0.129 271.4)
-
Step 800
800
#3A4989
oklch(42.6% 0.107 271.3)
-
Step 900
900
#323E6D
oklch(37.7% 0.082 271.2)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#899CDE 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) | #86A2E1 | 0.016 |
| Deuteranopia (no green cones) | #7F9BDC | 0.014 |
| Tritanopia (no blue cones) | #6FA9B3 | 0.089 |
| Achromatopsia (no color) | #9E9E9E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899CDE
#899CDE
oklch(70.4% 0.099 271.4)
- #B69D52
#B69D52
oklch(70.2% 0.099 91.3)
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 #899CDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.055
- Pale Purple #B790D4 ΔE 0.069
- Cool Gray #8D99AE ΔE 0.070
- Lavender Blue #8B88F8 ΔE 0.071
- Greyblue #77A1B5 ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.073
Use #899CDE 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.