#919EBF
Closest named color: Cool Gray (#8D99AE). oklch(70% 0.051 268.2), rgb(145, 158, 191).
Aa
Black text reads best on this color (7.84:1).
About this color
#919EBF is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.051 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.027 away. Black text reads best on it, at 7.84:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.84:1 |
| White text | 2.67:1 |
Values
| HEX | #919EBF |
| RGB | rgb(145, 158, 191) |
| HSL | hsl(223, 26%, 66%) |
| OKLCH | oklch(70% 0.051 268.2) |
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 #919EBF | 2.67:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #919EBF | 7.84:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #919EBF text on white | 2.67:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #919EBF text on black | 7.84:1 | AAA | Lc -49.9 | 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
#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
#B8C0D6
oklch(80.9% 0.032 269.8)
-
Step 400
400 (this color)
#919EBF
oklch(70% 0.051 268.2)
-
Step 500
500
#7988B1
oklch(63% 0.064 268.9)
-
Step 600
600
#62729D
oklch(55.6% 0.07 268.4)
-
Step 700
700
#515F86
oklch(49% 0.065 268.8)
-
Step 800
800
#424E6D
oklch(42.7% 0.054 267.8)
-
Step 900
900
#384158
oklch(37.7% 0.041 267.9)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#919EBF 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) | #94A0C1 | 0.007 |
| Deuteranopia (no green cones) | #909CBE | 0.006 |
| Tritanopia (no blue cones) | #85A4A9 | 0.045 |
| Achromatopsia (no color) | #9E9E9E | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #919EBF
#919EBF
oklch(70% 0.051 268.2)
- #AC9D7B
#AC9D7B
oklch(70% 0.05 87)
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 #919EBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.027
- Bluey Grey #89A0B0 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.032
- Cool Steel #97A7B3 ΔE 0.036
- Greyblue #77A1B5 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.044
- Pewter #96A8A1 ΔE 0.060
- Dark Gray #A9A9A9 ΔE 0.061
Use #919EBF 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.