#7B8CA5
Closest named color: Silver Lake Blue (#778DA9). oklch(63.5% 0.043 257.9), rgb(123, 140, 165).
Aa
Black text reads best on this color (6.13:1).
About this color
#7B8CA5 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.043 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.007 away. Black text reads best on it, at 6.13:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #7B8CA5 |
| RGB | rgb(123, 140, 165) |
| HSL | hsl(216, 19%, 56%) |
| OKLCH | oklch(63.5% 0.043 257.9) |
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 #7B8CA5 | 3.42:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #7B8CA5 | 6.13:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #7B8CA5 text on white | 3.42:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #7B8CA5 text on black | 6.13:1 | 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
#D4D9E1
oklch(88.4% 0.012 259.8)
-
Step 300
300
#B8C1CE
oklch(80.8% 0.021 257.5)
-
Step 400
400
#94A2B6
oklch(70.8% 0.033 257.3)
-
Step 500
500 (this color)
#7B8CA5
oklch(63.5% 0.043 257.9)
-
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
#435063
oklch(42.8% 0.036 257.8)
-
Step 900
900
#384251
oklch(37.6% 0.029 258.4)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#7B8CA5 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 | 0.013 |
| Deuteranopia (no green cones) | #7F89A4 | 0.009 |
| Tritanopia (no blue cones) | #709194 | 0.037 |
| Achromatopsia (no color) | #8B8B8B | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B8CA5
#7B8CA5
oklch(63.5% 0.043 257.9)
- #99886E
#99886E
oklch(63.5% 0.042 78.3)
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 #7B8CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.007
- Blue Grey #758DA3 ΔE 0.009
- Light Slate Gray #778899 ΔE 0.020
- Steel #738595 ΔE 0.031
- Lavender Gray #7E7F9A ΔE 0.035
- Faded Blue #658CBB ΔE 0.042
- Slate Gray #708090 ΔE 0.045
- Cool Gray #8D99AE ΔE 0.046
Use #7B8CA5 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.