#899DDC
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.5% 0.095 270.3), rgb(137, 157, 220).
Aa
Black text reads best on this color (7.91:1).
About this color
#899DDC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.095 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.051 away. Black text reads best on it, at 7.91:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #899DDC |
| RGB | rgb(137, 157, 220) |
| HSL | hsl(226, 54%, 70%) |
| OKLCH | oklch(70.5% 0.095 270.3) |
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 #899DDC | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #899DDC | 7.91:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #899DDC text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #899DDC text on black | 7.91:1 | 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
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B2BFE8
oklch(80.8% 0.06 271.2)
-
Step 400
400 (this color)
#899DDC
oklch(70.5% 0.095 270.3)
-
Step 500
500
#6D84D3
oklch(63% 0.122 270.3)
-
Step 600
600
#566DC0
oklch(55.7% 0.131 270)
-
Step 700
700
#465AA6
oklch(49% 0.124 270.2)
-
Step 800
800
#3A4A87
oklch(42.7% 0.103 270.5)
-
Step 900
900
#313E6C
oklch(37.6% 0.081 270.3)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#899DDC 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) | #88A3DF | 0.016 |
| Deuteranopia (no green cones) | #819CDB | 0.011 |
| Tritanopia (no blue cones) | #6FAAB3 | 0.087 |
| Achromatopsia (no color) | #9F9F9F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899DDC
#899DDC
oklch(70.5% 0.095 270.3)
- #B79E57
#B79E57
oklch(70.6% 0.095 90.5)
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 #899DDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.051
- Perrywinkle #8F8CE7 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.058
- Cool Gray #8D99AE ΔE 0.067
- Greyblue #77A1B5 ΔE 0.068
- Bluey Grey #89A0B0 ΔE 0.069
- Pale Purple #B790D4 ΔE 0.069
- Bluegrey #85A3B2 ΔE 0.071
Use #899DDC 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.