#919ECB
Closest named color: Cool Gray (#8D99AE). oklch(70.5% 0.068 272.1), rgb(145, 158, 203).
Aa
Black text reads best on this color (7.95:1).
About this color
#919ECB is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.068 and its hue 272°. 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 7.95:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.95:1 |
| White text | 2.63:1 |
Values
| HEX | #919ECB |
| RGB | rgb(145, 158, 203) |
| HSL | hsl(227, 36%, 68%) |
| OKLCH | oklch(70.5% 0.068 272.1) |
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 #919ECB | 2.63:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #919ECB | 7.95:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #919ECB text on white | 2.63:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #919ECB text on black | 7.95:1 | AAA | Lc -50.5 | 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
#B7C0DD
oklch(81% 0.042 271.8)
-
Step 400
400 (this color)
#919ECB
oklch(70.5% 0.068 272.1)
-
Step 500
500
#7786BE
oklch(63% 0.086 272.2)
-
Step 600
600
#606FAB
oklch(55.6% 0.095 272.3)
-
Step 700
700
#4F5D92
oklch(49.1% 0.087 271.6)
-
Step 800
800
#414C77
oklch(42.7% 0.073 272.1)
-
Step 900
900
#374060
oklch(37.8% 0.056 271.5)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#919ECB 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) | #90A2CD | 0.010 |
| Deuteranopia (no green cones) | #8C9DCA | 0.008 |
| Tritanopia (no blue cones) | #82A7AD | 0.062 |
| Achromatopsia (no color) | #9F9F9F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #919ECB
#919ECB
oklch(70.5% 0.068 272.1)
- #AF9F6F
#AF9F6F
oklch(70.5% 0.068 91.8)
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 #919ECB, 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 0.045
- Bluegrey #85A3B2 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.050
- Greyblue #77A1B5 ΔE 0.051
- Cool Grey #95A3A6 ΔE 0.061
- Pale Purple #B790D4 ΔE 0.067
- Perrywinkle #8F8CE7 ΔE 0.072
Use #919ECB 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.