#7F91A8
Closest named color: Silver Lake Blue (#778DA9). oklch(65% 0.04 254.6), rgb(127, 145, 168).
Aa
Black text reads best on this color (6.51:1).
About this color
#7F91A8 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.040 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.017 away. Black text reads best on it, at 6.51:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #7F91A8 |
| RGB | rgb(127, 145, 168) |
| HSL | hsl(214, 19%, 58%) |
| OKLCH | oklch(65% 0.04 254.6) |
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 #7F91A8 | 3.22:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #7F91A8 | 6.51:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #7F91A8 text on white | 3.22:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #7F91A8 text on black | 6.51:1 | AA | Lc -42.3 | 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
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CD
oklch(81% 0.019 250.6)
-
Step 400
400
#94A2B4
oklch(70.7% 0.031 254.7)
-
Step 500
500 (this color)
#7F91A8
oklch(65% 0.04 254.6)
-
Step 600
600
#62758D
oklch(55.6% 0.044 254.4)
-
Step 700
700
#516278
oklch(49.1% 0.041 255)
-
Step 800
800
#435061
oklch(42.7% 0.033 255.2)
-
Step 900
900
#384250
oklch(37.6% 0.027 256.8)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#7F91A8 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) | #8992A9 | 0.014 |
| Deuteranopia (no green cones) | #848EA8 | 0.010 |
| Tritanopia (no blue cones) | #749698 | 0.036 |
| Achromatopsia (no color) | #8F8F8F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F91A8
#7F91A8
oklch(65% 0.04 254.6)
- #9E8C74
#9E8C74
oklch(65% 0.041 74.9)
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 #7F91A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.017
- Blue Grey #758DA3 ΔE 0.019
- Cool Gray #8D99AE ΔE 0.031
- Light Slate Gray #778899 ΔE 0.033
- Greyblue #77A1B5 ΔE 0.043
- Steel #738595 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.045
- Faded Blue #658CBB ΔE 0.048
Use #7F91A8 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.