#7F97AB
Closest named color: Cool Gray (#8D99AE). oklch(66.5% 0.04 243.5), rgb(127, 151, 171).
Aa
Black text reads best on this color (6.91:1).
About this color
#7F97AB is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.040 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.021 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #7F97AB |
| RGB | rgb(127, 151, 171) |
| HSL | hsl(207, 21%, 58%) |
| OKLCH | oklch(66.5% 0.04 243.5) |
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 #7F97AB | 3.03:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #7F97AB | 6.91:1 | AA | Lc 46.9 | Large or bold text, headings |
| #7F97AB text on white | 3.03:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #7F97AB text on black | 6.91:1 | AA | Lc -44.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CD
oklch(80.8% 0.02 245.7)
-
Step 400
400
#90A3B3
oklch(70.6% 0.032 243.6)
-
Step 500
500 (this color)
#7F97AB
oklch(66.5% 0.04 243.5)
-
Step 600
600
#5D778B
oklch(55.6% 0.043 241.6)
-
Step 700
700
#4D6476
oklch(49.2% 0.04 242.2)
-
Step 800
800
#3F5160
oklch(42.6% 0.034 243.8)
-
Step 900
900
#36434F
oklch(37.6% 0.027 246.4)
-
Step 950
950
#20282E
oklch(27.2% 0.016 240.6)
#7F97AB 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) | #8F97AC | 0.022 |
| Deuteranopia (no green cones) | #8992AB | 0.018 |
| Tritanopia (no blue cones) | #739C9D | 0.033 |
| Achromatopsia (no color) | #949494 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F97AB
#7F97AB
oklch(66.5% 0.04 243.5)
- #A68F7A
#A68F7A
oklch(66.5% 0.041 64.4)
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 #7F97AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.021
- Greyblue #77A1B5 ΔE 0.028
- Bluey Grey #89A0B0 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.035
- Light Slate Gray #778899 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.047
Use #7F97AB 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.