#7A91A7
Closest named color: Silver Lake Blue (#778DA9). oklch(64.6% 0.042 247.3), rgb(122, 145, 167).
Aa
Black text reads best on this color (6.43:1).
About this color
#7A91A7 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.042 and its hue 247°. 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 6.43:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #7A91A7 |
| RGB | rgb(122, 145, 167) |
| HSL | hsl(209, 20%, 57%) |
| OKLCH | oklch(64.6% 0.042 247.3) |
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 #7A91A7 | 3.26:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #7A91A7 | 6.43:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #7A91A7 text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #7A91A7 text on black | 6.43:1 | AA | Lc -41.8 | 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
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CE
oklch(80.8% 0.022 248.1)
-
Step 400
400
#91A3B5
oklch(70.7% 0.033 248.3)
-
Step 500
500 (this color)
#7A91A7
oklch(64.6% 0.042 247.3)
-
Step 600
600
#5E768D
oklch(55.5% 0.046 247.6)
-
Step 700
700
#4D6378
oklch(49% 0.043 247.5)
-
Step 800
800
#405162
oklch(42.7% 0.035 248.7)
-
Step 900
900
#364350
oklch(37.7% 0.028 248.6)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#7A91A7 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) | #8991A8 | 0.020 |
| Deuteranopia (no green cones) | #838CA7 | 0.018 |
| Tritanopia (no blue cones) | #6D9698 | 0.035 |
| Achromatopsia (no color) | #8E8E8E | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A91A7
#7A91A7
oklch(64.6% 0.042 247.3)
- #A08A73
#A08A73
oklch(64.7% 0.042 68.2)
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 #7A91A7, 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 0.014
- Light Slate Gray #778899 ΔE 0.029
- Cool Gray #8D99AE ΔE 0.036
- Steel #738595 ΔE 0.040
- Greyblue #77A1B5 ΔE 0.044
- Faded Blue #658CBB ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.048
Use #7A91A7 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.