#919BB7
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.043 269.8), rgb(145, 155, 183).
Aa
Black text reads best on this color (7.57:1).
About this color
#919BB7 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.043 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.015 away. Black text reads best on it, at 7.57:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.57:1 |
| White text | 2.77:1 |
Values
| HEX | #919BB7 |
| RGB | rgb(145, 155, 183) |
| HSL | hsl(224, 21%, 64%) |
| OKLCH | oklch(69.1% 0.043 269.8) |
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 #919BB7 | 2.77:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #919BB7 | 7.57:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #919BB7 text on white | 2.77:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #919BB7 text on black | 7.57:1 | AAA | Lc -48.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#BAC0D2
oklch(80.9% 0.026 271.1)
-
Step 400
400 (this color)
#919BB7
oklch(69.1% 0.043 269.8)
-
Step 500
500
#7C88AB
oklch(63% 0.055 270)
-
Step 600
600
#657297
oklch(55.6% 0.06 269.4)
-
Step 700
700
#545F81
oklch(49% 0.056 270.4)
-
Step 800
800
#454E69
oklch(42.7% 0.046 270.1)
-
Step 900
900
#3A4155
oklch(37.7% 0.036 269.6)
-
Step 950
950
#222632
oklch(27% 0.023 270.4)
#919BB7 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) | #939DB8 | 0.006 |
| Deuteranopia (no green cones) | #909AB6 | 0.003 |
| Tritanopia (no blue cones) | #88A0A4 | 0.038 |
| Achromatopsia (no color) | #9B9B9B | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #919BB7
#919BB7
oklch(69.1% 0.043 269.8)
- #A69B7E
#A69B7E
oklch(69.1% 0.043 89.7)
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 #919BB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.015
- Bluey Grey #89A0B0 ΔE 0.022
- Bluegrey #85A3B2 ΔE 0.029
- Greyblue #77A1B5 ΔE 0.036
- Cool Steel #97A7B3 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.056
- Pewter #96A8A1 ΔE 0.057
Use #919BB7 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.