#999BCD
Closest named color: Cool Gray (#8D99AE). oklch(70.6% 0.073 282.6), rgb(153, 155, 205).
Aa
Black text reads best on this color (7.92:1).
About this color
#999BCD is a medium-light, moderately saturated purple. In OKLCH its lightness is 71%, its chroma 0.073 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.050 away. Black text reads best on it, at 7.92:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.92:1 |
| White text | 2.64:1 |
Values
| HEX | #999BCD |
| RGB | rgb(153, 155, 205) |
| HSL | hsl(238, 34%, 70%) |
| OKLCH | oklch(70.6% 0.073 282.6) |
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 #999BCD | 2.64:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #999BCD | 7.92:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #999BCD text on white | 2.64:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #999BCD text on black | 7.92:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EA
oklch(88.4% 0.026 283.4)
-
Step 300
300
#BCBEDE
oklch(81% 0.045 282.5)
-
Step 400
400 (this color)
#999BCD
oklch(70.6% 0.073 282.6)
-
Step 500
500
#8182C0
oklch(63.1% 0.093 282.7)
-
Step 600
600
#6B6BAD
oklch(55.7% 0.101 282.6)
-
Step 700
700
#595994
oklch(49.1% 0.093 282.4)
-
Step 800
800
#494978
oklch(42.7% 0.077 282.6)
-
Step 900
900
#3D3D61
oklch(37.7% 0.061 283.1)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#999BCD 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) | #8EA1CF | 0.020 |
| Deuteranopia (no green cones) | #8B9DCC | 0.019 |
| Tritanopia (no blue cones) | #8DA4AC | 0.065 |
| Achromatopsia (no color) | #9F9F9F | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999BCD
#999BCD
oklch(70.6% 0.073 282.6)
- #A9A36D
#A9A36D
oklch(70.7% 0.073 102.7)
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 #999BCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.050
- Pale Purple #B790D4 ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Greyblue #77A1B5 ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.065
- Heather #A484AC ΔE 0.067
Use #999BCD 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.