#7F91A4
Closest named color: Blue Grey (#758DA3). oklch(64.9% 0.035 249.8), rgb(127, 145, 164).
Aa
Black text reads best on this color (6.48:1).
About this color
#7F91A4 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.035 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.018 away. Black text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #7F91A4 |
| RGB | rgb(127, 145, 164) |
| HSL | hsl(211, 17%, 57%) |
| OKLCH | oklch(64.9% 0.035 249.8) |
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 #7F91A4 | 3.23:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #7F91A4 | 6.48:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #7F91A4 text on white | 3.23:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #7F91A4 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B8C2CC
oklch(80.9% 0.018 248)
-
Step 400
400
#94A2B2
oklch(70.6% 0.028 251.7)
-
Step 500
500 (this color)
#7F91A4
oklch(64.9% 0.035 249.8)
-
Step 600
600
#637589
oklch(55.5% 0.038 251.2)
-
Step 700
700
#526375
oklch(49.2% 0.036 250)
-
Step 800
800
#43515F
oklch(42.8% 0.029 248.5)
-
Step 900
900
#38434E
oklch(37.7% 0.024 248.5)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#7F91A4 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) | #8A91A5 | 0.015 |
| Deuteranopia (no green cones) | #868DA4 | 0.014 |
| Tritanopia (no blue cones) | #759597 | 0.029 |
| Achromatopsia (no color) | #8F8F8F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F91A4
#7F91A4
oklch(64.9% 0.035 249.8)
- #9D8C78
#9D8C78
oklch(65% 0.035 71.7)
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 #7F91A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.018
- Silver Lake Blue #778DA9 ΔE 0.019
- Light Slate Gray #778899 ΔE 0.030
- Cool Gray #8D99AE ΔE 0.032
- Steel #738595 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.045
- Lavender Gray #7E7F9A ΔE 0.049
Use #7F91A4 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.