#7C8F9B
Closest named color: Blue Grey (#758DA3). oklch(63.9% 0.028 235.6), rgb(124, 143, 155).
Aa
Black text reads best on this color (6.25:1).
About this color
#7C8F9B is a medium-light close to neutral grey. In OKLCH its lightness is 64%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Blue Grey (#758DA3), ΔE 0.017 away. Black text reads best on it, at 6.25:1.
| Hue family | Neutrals |
| Lightness | medium-light (64%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #7C8F9B |
| RGB | rgb(124, 143, 155) |
| HSL | hsl(203, 13%, 55%) |
| OKLCH | oklch(63.9% 0.028 235.6) |
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 #7C8F9B | 3.35:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #7C8F9B | 6.25:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #7C8F9B text on white | 3.35:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #7C8F9B text on black | 6.25:1 | AA | Lc -40.7 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B9C2C8
oklch(80.9% 0.013 236.7)
-
Step 400
400
#94A3AD
oklch(70.7% 0.022 236.9)
-
Step 500
500 (this color)
#7C8F9B
oklch(63.9% 0.028 235.6)
-
Step 600
600
#627783
oklch(55.7% 0.031 233.1)
-
Step 700
700
#51646F
oklch(49.2% 0.029 233.6)
-
Step 800
800
#43515A
oklch(42.6% 0.023 236.3)
-
Step 900
900
#38434A
oklch(37.6% 0.019 235.9)
-
Step 950
950
#21272B
oklch(26.8% 0.011 237.1)
#7C8F9B 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) | #8A8E9C | 0.019 |
| Deuteranopia (no green cones) | #858B9B | 0.016 |
| Tritanopia (no blue cones) | #749293 | 0.020 |
| Achromatopsia (no color) | #8C8C8C | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8F9B
#7C8F9B
oklch(63.9% 0.028 235.6)
- #9A887C
#9A887C
oklch(64% 0.028 55.8)
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 #7C8F9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.017
- Light Slate Gray #778899 ΔE 0.022
- Silver Lake Blue #778DA9 ΔE 0.024
- Steel #738595 ΔE 0.032
- Cool Gray #8D99AE ΔE 0.044
- Steel Grey #6F828A ΔE 0.045
- Lavender Gray #7E7F9A ΔE 0.045
- Warm Grey #978A84 ΔE 0.046
Use #7C8F9B 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.