#7A91AC
Closest named color: Silver Lake Blue (#778DA9). oklch(64.8% 0.048 252.6), rgb(122, 145, 172).
Aa
Black text reads best on this color (6.47:1).
About this color
#7A91AC is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.048 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.012 away. Black text reads best on it, at 6.47:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #7A91AC |
| RGB | rgb(122, 145, 172) |
| HSL | hsl(212, 23%, 58%) |
| OKLCH | oklch(64.8% 0.048 252.6) |
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 #7A91AC | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #7A91AC | 6.47:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #7A91AC text on white | 3.24:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #7A91AC text on black | 6.47:1 | AA | Lc -42.0 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D0
oklch(80.9% 0.024 252.2)
-
Step 400
400
#90A3B8
oklch(70.8% 0.038 251)
-
Step 500
500 (this color)
#7A91AC
oklch(64.8% 0.048 252.6)
-
Step 600
600
#5D7692
oklch(55.7% 0.053 251.6)
-
Step 700
700
#4D637C
oklch(49.2% 0.048 252)
-
Step 800
800
#3F5165
oklch(42.8% 0.04 251.4)
-
Step 900
900
#364352
oklch(37.8% 0.031 252.3)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#7A91AC 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) | #8792AD | 0.018 |
| Deuteranopia (no green cones) | #818DAB | 0.013 |
| Tritanopia (no blue cones) | #6C979A | 0.041 |
| Achromatopsia (no color) | #8F8F8F | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A91AC
#7A91AC
oklch(64.8% 0.048 252.6)
- #A18A6E
#A18A6E
oklch(64.7% 0.048 72.3)
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 #7A91AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.012
- Blue Grey #758DA3 ΔE 0.017
- Light Slate Gray #778899 ΔE 0.034
- Cool Gray #8D99AE ΔE 0.036
- Faded Blue #658CBB ΔE 0.040
- Greyblue #77A1B5 ΔE 0.043
- Steel #738595 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.048
Use #7A91AC 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.