#7C8CA5
Closest named color: Silver Lake Blue (#778DA9). oklch(63.6% 0.042 259.3), rgb(124, 140, 165).
Aa
Black text reads best on this color (6.15:1).
About this color
#7C8CA5 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.042 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.008 away. Black text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.15:1 |
| White text | 3.41:1 |
Values
| HEX | #7C8CA5 |
| RGB | rgb(124, 140, 165) |
| HSL | hsl(217, 19%, 57%) |
| OKLCH | oklch(63.6% 0.042 259.3) |
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 #7C8CA5 | 3.41:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #7C8CA5 | 6.15:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #7C8CA5 text on white | 3.41:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #7C8CA5 text on black | 6.15:1 | AA | Lc -40.0 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CE
oklch(80.9% 0.02 260.2)
-
Step 400
400
#95A1B6
oklch(70.6% 0.034 261.7)
-
Step 500
500 (this color)
#7C8CA5
oklch(63.6% 0.042 259.3)
-
Step 600
600
#63748F
oklch(55.5% 0.047 259.6)
-
Step 700
700
#526279
oklch(49.2% 0.042 257.4)
-
Step 800
800
#445063
oklch(42.8% 0.035 259.5)
-
Step 900
900
#394250
oklch(37.7% 0.027 259.2)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#7C8CA5 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) | #848DA6 | 0.012 |
| Deuteranopia (no green cones) | #7F89A4 | 0.009 |
| Tritanopia (no blue cones) | #719194 | 0.037 |
| Achromatopsia (no color) | #8B8B8B | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8CA5
#7C8CA5
oklch(63.6% 0.042 259.3)
- #99896F
#99896F
oklch(63.7% 0.042 79.8)
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 #7C8CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.008
- Blue Grey #758DA3 ΔE 0.010
- Light Slate Gray #778899 ΔE 0.021
- Steel #738595 ΔE 0.031
- Lavender Gray #7E7F9A ΔE 0.035
- Faded Blue #658CBB ΔE 0.042
- Cool Gray #8D99AE ΔE 0.045
- Slate Gray #708090 ΔE 0.046
Use #7C8CA5 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.