#99A5CE
Closest named color: Cool Steel (#97A7B3). oklch(72.7% 0.061 272.1), rgb(153, 165, 206).
Aa
Black text reads best on this color (8.62:1).
About this color
#99A5CE is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.061 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.043 away. Black text reads best on it, at 8.62:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.62:1 |
| White text | 2.43:1 |
Values
| HEX | #99A5CE |
| RGB | rgb(153, 165, 206) |
| HSL | hsl(226, 35%, 70%) |
| OKLCH | oklch(72.7% 0.061 272.1) |
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 #99A5CE | 2.43:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #99A5CE | 8.62:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #99A5CE text on white | 2.43:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #99A5CE text on black | 8.62:1 | AAA | Lc -54.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B8C0DA
oklch(81% 0.038 272)
-
Step 400
400 (this color)
#99A5CE
oklch(72.7% 0.061 272.1)
-
Step 500
500
#7987B9
oklch(63.2% 0.077 272)
-
Step 600
600
#6270A5
oklch(55.6% 0.084 272.1)
-
Step 700
700
#515E8E
oklch(49.2% 0.079 271.7)
-
Step 800
800
#424D73
oklch(42.8% 0.065 271.1)
-
Step 900
900
#38405D
oklch(37.7% 0.051 271.9)
-
Step 950
950
#212636
oklch(27.1% 0.031 270.8)
#99A5CE 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) | #99A8D0 | 0.008 |
| Deuteranopia (no green cones) | #95A4CD | 0.006 |
| Tritanopia (no blue cones) | #8CADB3 | 0.055 |
| Achromatopsia (no color) | #A6A6A6 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A5CE
#99A5CE
oklch(72.7% 0.061 272.1)
- #B4A67B
#B4A67B
oklch(72.6% 0.061 92.2)
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 #99A5CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.059
- Greyblue #77A1B5 ΔE 0.060
- Dark Gray #A9A9A9 ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.062
Use #99A5CE 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.