#7C8FAB
Closest named color: Silver Lake Blue (#778DA9). oklch(64.5% 0.047 258), rgb(124, 143, 171).
Aa
Black text reads best on this color (6.37:1).
About this color
#7C8FAB is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.047 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.009 away. Black text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #7C8FAB |
| RGB | rgb(124, 143, 171) |
| HSL | hsl(216, 22%, 58%) |
| OKLCH | oklch(64.5% 0.047 258) |
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 #7C8FAB | 3.29:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #7C8FAB | 6.37:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #7C8FAB text on white | 3.29:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #7C8FAB text on black | 6.37:1 | AA | Lc -41.4 | 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
#D4DAE2
oklch(88.6% 0.013 255.5)
-
Step 300
300
#B8C1D0
oklch(80.9% 0.023 260.7)
-
Step 400
400
#93A2B8
oklch(70.8% 0.036 257.9)
-
Step 500
500 (this color)
#7C8FAB
oklch(64.5% 0.047 258)
-
Step 600
600
#617592
oklch(55.7% 0.051 257.6)
-
Step 700
700
#50627C
oklch(49.2% 0.047 257.5)
-
Step 800
800
#415065
oklch(42.7% 0.04 256.8)
-
Step 900
900
#374252
oklch(37.6% 0.031 257.7)
-
Step 950
950
#212730
oklch(27.1% 0.019 258.4)
#7C8FAB 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) | #8590AC | 0.013 |
| Deuteranopia (no green cones) | #808CAA | 0.009 |
| Tritanopia (no blue cones) | #6F9598 | 0.042 |
| Achromatopsia (no color) | #8E8E8E | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8FAB
#7C8FAB
oklch(64.5% 0.047 258)
- #9E8B6D
#9E8B6D
oklch(64.6% 0.048 79)
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 #7C8FAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.009
- Blue Grey #758DA3 ΔE 0.016
- Light Slate Gray #778899 ΔE 0.031
- Cool Gray #8D99AE ΔE 0.038
- Faded Blue #658CBB ΔE 0.039
- Steel #738595 ΔE 0.041
- Lavender Gray #7E7F9A ΔE 0.045
- Greyblue #77A1B5 ΔE 0.048
Use #7C8FAB 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.