#7C8FA3
Closest named color: Blue Grey (#758DA3). oklch(64.2% 0.037 249.8), rgb(124, 143, 163).
Aa
Black text reads best on this color (6.31:1).
About this color
#7C8FA3 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.037 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.011 away. Black text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #7C8FA3 |
| RGB | rgb(124, 143, 163) |
| HSL | hsl(211, 17%, 56%) |
| OKLCH | oklch(64.2% 0.037 249.8) |
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 #7C8FA3 | 3.32:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #7C8FA3 | 6.31:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #7C8FA3 text on white | 3.32:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #7C8FA3 text on black | 6.31:1 | AA | Lc -41.0 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CC
oklch(80.9% 0.018 248)
-
Step 400
400
#93A2B2
oklch(70.6% 0.029 250)
-
Step 500
500 (this color)
#7C8FA3
oklch(64.2% 0.037 249.8)
-
Step 600
600
#62768B
oklch(55.7% 0.04 249.8)
-
Step 700
700
#516376
oklch(49.2% 0.038 250)
-
Step 800
800
#425160
oklch(42.8% 0.031 248.6)
-
Step 900
900
#38434E
oklch(37.7% 0.024 248.5)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#7C8FA3 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) | #888FA4 | 0.017 |
| Deuteranopia (no green cones) | #838BA3 | 0.014 |
| Tritanopia (no blue cones) | #719395 | 0.031 |
| Achromatopsia (no color) | #8D8D8D | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8FA3
#7C8FA3
oklch(64.2% 0.037 249.8)
- #9C8975
#9C8975
oklch(64.2% 0.037 68.5)
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 #7C8FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.011
- Silver Lake Blue #778DA9 ΔE 0.014
- Light Slate Gray #778899 ΔE 0.023
- Steel #738595 ΔE 0.035
- Cool Gray #8D99AE ΔE 0.039
- Lavender Gray #7E7F9A ΔE 0.043
- Faded Blue #658CBB ΔE 0.048
- Greyblue #77A1B5 ΔE 0.050
Use #7C8FA3 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.