#919FCB
Closest named color: Cool Gray (#8D99AE). oklch(70.7% 0.067 270.9), rgb(145, 159, 203).
Aa
Black text reads best on this color (8.02:1).
About this color
#919FCB is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.067 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.043 away. Black text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #919FCB |
| RGB | rgb(145, 159, 203) |
| HSL | hsl(226, 36%, 68%) |
| OKLCH | oklch(70.7% 0.067 270.9) |
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 #919FCB | 2.61:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #919FCB | 8.02:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #919FCB text on white | 2.61:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #919FCB text on black | 8.02:1 | AAA | Lc -50.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DC
oklch(80.9% 0.041 269.9)
-
Step 400
400 (this color)
#919FCB
oklch(70.7% 0.067 270.9)
-
Step 500
500
#7687BD
oklch(63.1% 0.084 270.4)
-
Step 600
600
#5F70AA
oklch(55.6% 0.093 270.7)
-
Step 700
700
#4F5D92
oklch(49.1% 0.087 271.6)
-
Step 800
800
#404C76
oklch(42.6% 0.072 271)
-
Step 900
900
#37405F
oklch(37.8% 0.055 271.2)
-
Step 950
950
#202638
oklch(27.1% 0.035 269.8)
#919FCB 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) | #92A3CD | 0.011 |
| Deuteranopia (no green cones) | #8D9ECA | 0.006 |
| Tritanopia (no blue cones) | #82A7AE | 0.059 |
| Achromatopsia (no color) | #A0A0A0 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #919FCB
#919FCB
oklch(70.7% 0.067 270.9)
- #B0A071
#B0A071
oklch(70.8% 0.066 91.5)
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 #919FCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.048
- Greyblue #77A1B5 ΔE 0.050
- Cool Grey #95A3A6 ΔE 0.060
- Pale Purple #B790D4 ΔE 0.068
- Dark Gray #A9A9A9 ΔE 0.072
Use #919FCB 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.