#7F91AB
Closest named color: Silver Lake Blue (#778DA9). oklch(65.2% 0.044 257.5), rgb(127, 145, 171).
Aa
Black text reads best on this color (6.54:1).
About this color
#7F91AB is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.044 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.016 away. Black text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.54:1 |
| White text | 3.21:1 |
Values
| HEX | #7F91AB |
| RGB | rgb(127, 145, 171) |
| HSL | hsl(215, 21%, 58%) |
| OKLCH | oklch(65.2% 0.044 257.5) |
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 #7F91AB | 3.21:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #7F91AB | 6.54:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #7F91AB text on white | 3.21:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #7F91AB text on black | 6.54:1 | AA | Lc -42.4 | 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
#D4D9E1
oklch(88.4% 0.012 259.8)
-
Step 300
300
#B8C1CF
oklch(80.8% 0.022 259.2)
-
Step 400
400
#93A2B7
oklch(70.7% 0.035 256.8)
-
Step 500
500 (this color)
#7F91AB
oklch(65.2% 0.044 257.5)
-
Step 600
600
#627590
oklch(55.7% 0.048 257.2)
-
Step 700
700
#51627A
oklch(49.1% 0.044 257)
-
Step 800
800
#425063
oklch(42.7% 0.036 256.1)
-
Step 900
900
#384251
oklch(37.6% 0.029 258.4)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#7F91AB 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) | #8892AC | 0.013 |
| Deuteranopia (no green cones) | #838EAA | 0.009 |
| Tritanopia (no blue cones) | #739699 | 0.039 |
| Achromatopsia (no color) | #909090 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F91AB
#7F91AB
oklch(65.2% 0.044 257.5)
- #9F8D72
#9F8D72
oklch(65.2% 0.044 77.9)
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 #7F91AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.016
- Blue Grey #758DA3 ΔE 0.021
- Cool Gray #8D99AE ΔE 0.031
- Light Slate Gray #778899 ΔE 0.035
- Greyblue #77A1B5 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.045
- Faded Blue #658CBB ΔE 0.045
- Steel #738595 ΔE 0.046
Use #7F91AB 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.