#99ABC1
Closest named color: Cool Steel (#97A7B3). oklch(73.5% 0.038 253.5), rgb(153, 171, 193).
Aa
Black text reads best on this color (8.94:1).
About this color
#99ABC1 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.038 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.021 away. Black text reads best on it, at 8.94:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.94:1 |
| White text | 2.34:1 |
Values
| HEX | #99ABC1 |
| RGB | rgb(153, 171, 193) |
| HSL | hsl(213, 24%, 68%) |
| OKLCH | oklch(73.5% 0.038 253.5) |
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 #99ABC1 | 2.34:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #99ABC1 | 8.94:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #99ABC1 text on white | 2.34:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #99ABC1 text on black | 8.94:1 | AAA | Lc -55.8 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D0
oklch(80.9% 0.024 252.2)
-
Step 400
400 (this color)
#99ABC1
oklch(73.5% 0.038 253.5)
-
Step 500
500
#758CA7
oklch(63.2% 0.049 252.7)
-
Step 600
600
#5E7592
oklch(55.5% 0.053 254.5)
-
Step 700
700
#4D637C
oklch(49.2% 0.048 252)
-
Step 800
800
#3F5065
oklch(42.6% 0.041 254)
-
Step 900
900
#364352
oklch(37.8% 0.031 252.3)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#99ABC1 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) | #A3ABC2 | 0.014 |
| Deuteranopia (no green cones) | #9FA7C1 | 0.013 |
| Tritanopia (no blue cones) | #8FB0B2 | 0.033 |
| Achromatopsia (no color) | #A9A9A9 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99ABC1
#99ABC1
oklch(73.5% 0.038 253.5)
- #B8A68F
#B8A68F
oklch(73.4% 0.038 73.9)
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 #99ABC1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.021
- Dark Gray #A9A9A9 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.040
- Cool Grey #95A3A6 ΔE 0.040
- French Gray #ADB5BD ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.042
- Pewter #96A8A1 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.048
Use #99ABC1 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.