#7C91AA
Closest named color: Silver Lake Blue (#778DA9). oklch(64.9% 0.045 253), rgb(124, 145, 170).
Aa
Black text reads best on this color (6.48:1).
About this color
#7C91AA is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.045 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.014 away. Black text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #7C91AA |
| RGB | rgb(124, 145, 170) |
| HSL | hsl(213, 21%, 58%) |
| OKLCH | oklch(64.9% 0.045 253) |
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 #7C91AA | 3.23:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #7C91AA | 6.48:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #7C91AA text on white | 3.23:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #7C91AA text on black | 6.48:1 | AA | Lc -42.1 | 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
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B7C2CF
oklch(81% 0.022 252.5)
-
Step 400
400
#92A2B6
oklch(70.6% 0.034 254.1)
-
Step 500
500 (this color)
#7C91AA
oklch(64.9% 0.045 253)
-
Step 600
600
#5F7590
oklch(55.5% 0.05 253.8)
-
Step 700
700
#4F637A
oklch(49.2% 0.044 252.2)
-
Step 800
800
#415063
oklch(42.6% 0.037 254.5)
-
Step 900
900
#374351
oklch(37.8% 0.029 252.5)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#7C91AA 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) | #8892AB | 0.017 |
| Deuteranopia (no green cones) | #838DA9 | 0.013 |
| Tritanopia (no blue cones) | #6F9699 | 0.038 |
| Achromatopsia (no color) | #8F8F8F | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C91AA
#7C91AA
oklch(64.9% 0.045 253)
- #A08B71
#A08B71
oklch(64.9% 0.045 72.8)
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 #7C91AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.014
- Blue Grey #758DA3 ΔE 0.017
- Light Slate Gray #778899 ΔE 0.033
- Cool Gray #8D99AE ΔE 0.034
- Greyblue #77A1B5 ΔE 0.043
- Faded Blue #658CBB ΔE 0.043
- Steel #738595 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.046
Use #7C91AA 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.