#999FD8
Closest named color: Pale Purple (#B790D4). oklch(71.9% 0.083 279.4), rgb(153, 159, 216).
Aa
Black text reads best on this color (8.30:1).
About this color
#999FD8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.083 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.054 away. Black text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #999FD8 |
| RGB | rgb(153, 159, 216) |
| HSL | hsl(234, 45%, 72%) |
| OKLCH | oklch(71.9% 0.083 279.4) |
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 #999FD8 | 2.52:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #999FD8 | 8.30:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #999FD8 text on white | 2.52:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #999FD8 text on black | 8.30:1 | AAA | Lc -52.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8ED
oklch(88.6% 0.029 279.3)
-
Step 300
300
#B9BEE2
oklch(80.9% 0.051 279)
-
Step 400
400 (this color)
#999FD8
oklch(71.9% 0.083 279.4)
-
Step 500
500
#7C82C9
oklch(63.1% 0.107 279.2)
-
Step 600
600
#666AB5
oklch(55.5% 0.115 279.6)
-
Step 700
700
#55589C
oklch(49% 0.108 279.7)
-
Step 800
800
#45487F
oklch(42.6% 0.09 279.5)
-
Step 900
900
#3A3D66
oklch(37.7% 0.07 279.3)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#999FD8 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) | #8FA5DA | 0.019 |
| Deuteranopia (no green cones) | #8BA1D7 | 0.019 |
| Tritanopia (no blue cones) | #89A9B3 | 0.073 |
| Achromatopsia (no color) | #A3A3A3 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999FD8
#999FD8
oklch(71.9% 0.083 279.4)
- #B1A667
#B1A667
oklch(72% 0.084 99.6)
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 #999FD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.054
- Periwinkle Blue #8F99FB ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.063
- Cool Gray #8D99AE ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.072
Use #999FD8 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.