#7F91BB
Closest named color: Silver Lake Blue (#778DA9). oklch(65.8% 0.066 266.6), rgb(127, 145, 187).
Aa
Black text reads best on this color (6.67:1).
About this color
#7F91BB is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.066 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.030 away. Black text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.67:1 |
| White text | 3.14:1 |
Values
| HEX | #7F91BB |
| RGB | rgb(127, 145, 187) |
| HSL | hsl(222, 31%, 62%) |
| OKLCH | oklch(65.8% 0.066 266.6) |
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 #7F91BB | 3.14:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #7F91BB | 6.67:1 | AA | Lc 45.5 | Large or bold text, headings |
| #7F91BB text on white | 3.14:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #7F91BB text on black | 6.67:1 | AA | Lc -43.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#92A0C2
oklch(70.7% 0.052 267.5)
-
Step 500
500 (this color)
#7F91BB
oklch(65.8% 0.066 266.6)
-
Step 600
600
#60729E
oklch(55.5% 0.072 266.9)
-
Step 700
700
#4F6087
oklch(49.2% 0.066 265.9)
-
Step 800
800
#414E6E
oklch(42.7% 0.056 267)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#7F91BB 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) | #8394BD | 0.010 |
| Deuteranopia (no green cones) | #7E8FBA | 0.006 |
| Tritanopia (no blue cones) | #6E999F | 0.059 |
| Achromatopsia (no color) | #919191 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F91BB
#7F91BB
oklch(65.8% 0.066 266.6)
- #A38F62
#A38F62
oklch(65.7% 0.066 86.6)
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 #7F91BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.030
- Faded Blue #658CBB ΔE 0.037
- Blue Grey #758DA3 ΔE 0.039
- Cool Gray #8D99AE ΔE 0.039
- Greyblue #77A1B5 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.053
- Light Slate Gray #778899 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.058
Use #7F91BB 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.