#97A5BB
Closest named color: Cool Steel (#97A7B3). oklch(71.8% 0.036 259.4), rgb(151, 165, 187).
Aa
Black text reads best on this color (8.41:1).
About this color
#97A5BB is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.036 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.015 away. Black text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #97A5BB |
| RGB | rgb(151, 165, 187) |
| HSL | hsl(217, 21%, 66%) |
| OKLCH | oklch(71.8% 0.036 259.4) |
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 #97A5BB | 2.49:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #97A5BB | 8.41:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #97A5BB text on white | 2.49:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #97A5BB text on black | 8.41:1 | AAA | Lc -53.0 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E2
oklch(88.4% 0.013 262.4)
-
Step 300
300
#B8C1CF
oklch(80.8% 0.022 259.2)
-
Step 400
400 (this color)
#97A5BB
oklch(71.8% 0.036 259.4)
-
Step 500
500
#798AA6
oklch(63% 0.047 260.4)
-
Step 600
600
#627491
oklch(55.5% 0.05 259.9)
-
Step 700
700
#51627B
oklch(49.2% 0.045 257.9)
-
Step 800
800
#435064
oklch(42.8% 0.037 258.9)
-
Step 900
900
#384252
oklch(37.7% 0.031 259.7)
-
Step 950
950
#212730
oklch(27.1% 0.019 258.4)
#97A5BB 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) | #9EA6BC | 0.010 |
| Deuteranopia (no green cones) | #9AA2BA | 0.008 |
| Tritanopia (no blue cones) | #8EA9AC | 0.031 |
| Achromatopsia (no color) | #A4A4A4 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #97A5BB
#97A5BB
oklch(71.8% 0.036 259.4)
- #B0A28B
#B0A28B
oklch(71.8% 0.036 80.2)
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 #97A5BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.015
- Bluey Grey #89A0B0 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.028
- Cool Grey #95A3A6 ΔE 0.030
- Cool Gray #8D99AE ΔE 0.038
- Dark Gray #A9A9A9 ΔE 0.039
- Pewter #96A8A1 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.044
Use #97A5BB 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.