#7C8F9D
Closest named color: Blue Grey (#758DA3). oklch(64% 0.03 239.9), rgb(124, 143, 157).
Aa
Black text reads best on this color (6.27:1).
About this color
#7C8F9D is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.030 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.015 away. Black text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #7C8F9D |
| RGB | rgb(124, 143, 157) |
| HSL | hsl(205, 14%, 55%) |
| OKLCH | oklch(64% 0.03 239.9) |
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 #7C8F9D | 3.34:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #7C8F9D | 6.27:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #7C8F9D text on white | 3.34:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #7C8F9D text on black | 6.27:1 | AA | Lc -40.8 | 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
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2C9
oklch(80.8% 0.015 238.1)
-
Step 400
400
#94A3AE
oklch(70.7% 0.023 239.6)
-
Step 500
500 (this color)
#7C8F9D
oklch(64% 0.03 239.9)
-
Step 600
600
#627685
oklch(55.5% 0.033 240.6)
-
Step 700
700
#516371
oklch(49% 0.031 241.7)
-
Step 800
800
#43515C
oklch(42.7% 0.025 241.9)
-
Step 900
900
#38434B
oklch(37.6% 0.02 239.7)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#7C8F9D 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) | #898E9E | 0.018 |
| Deuteranopia (no green cones) | #858B9D | 0.016 |
| Tritanopia (no blue cones) | #739393 | 0.025 |
| Achromatopsia (no color) | #8C8C8C | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8F9D
#7C8F9D
oklch(64% 0.03 239.9)
- #9A887A
#9A887A
oklch(63.9% 0.03 60.1)
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 #7C8F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.015
- Light Slate Gray #778899 ΔE 0.021
- Silver Lake Blue #778DA9 ΔE 0.022
- Steel #738595 ΔE 0.032
- Cool Gray #8D99AE ΔE 0.043
- Lavender Gray #7E7F9A ΔE 0.045
- Steel Grey #6F828A ΔE 0.046
- Slate Gray #708090 ΔE 0.047
Use #7C8F9D 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.