#999BAF
Closest named color: Cool Gray (#8D99AE). oklch(69.4% 0.029 281.1), rgb(153, 155, 175).
Aa
Black text reads best on this color (7.66:1).
About this color
#999BAF is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.018 away. Black text reads best on it, at 7.66:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.66:1 |
| White text | 2.74:1 |
Values
| HEX | #999BAF |
| RGB | rgb(153, 155, 175) |
| HSL | hsl(235, 12%, 64%) |
| OKLCH | oklch(69.4% 0.029 281.1) |
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 #999BAF | 2.74:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #999BAF | 7.66:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #999BAF text on white | 2.74:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #999BAF text on black | 7.66:1 | AAA | Lc -48.8 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BEBFCC
oklch(80.8% 0.018 282.5)
-
Step 400
400 (this color)
#999BAF
oklch(69.4% 0.029 281.1)
-
Step 500
500
#8587A0
oklch(63% 0.037 281.7)
-
Step 600
600
#6F718B
oklch(55.6% 0.04 281.5)
-
Step 700
700
#5D5F76
oklch(49.2% 0.037 281.1)
-
Step 800
800
#4C4D60
oklch(42.7% 0.031 282.6)
-
Step 900
900
#3F404F
oklch(37.7% 0.026 282.1)
-
Step 950
950
#25262E
oklch(27.1% 0.015 279.7)
#999BAF 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) | #969DB0 | 0.006 |
| Deuteranopia (no green cones) | #959BAE | 0.006 |
| Tritanopia (no blue cones) | #949EA1 | 0.026 |
| Achromatopsia (no color) | #9C9C9C | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999BAF
#999BAF
oklch(69.4% 0.029 281.1)
- #A09E89
#A09E89
oklch(69.5% 0.03 102.7)
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 #999BAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.018
- Bluey Grey #89A0B0 ΔE 0.024
- Cool Grey #95A3A6 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.032
- Cool Steel #97A7B3 ΔE 0.032
- Greyblue #77A1B5 ΔE 0.044
- Pewter #96A8A1 ΔE 0.048
- Dark Gray #A9A9A9 ΔE 0.050
Use #999BAF 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.