#919EB3
Closest named color: Bluey Grey (#89A0B0). oklch(69.6% 0.034 260), rgb(145, 158, 179).
Aa
Black text reads best on this color (7.74:1).
About this color
#919EB3 is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.034 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.013 away. Black text reads best on it, at 7.74:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.74:1 |
| White text | 2.71:1 |
Values
| HEX | #919EB3 |
| RGB | rgb(145, 158, 179) |
| HSL | hsl(217, 18%, 64%) |
| OKLCH | oklch(69.6% 0.034 260) |
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 #919EB3 | 2.71:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #919EB3 | 7.74:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #919EB3 text on white | 2.71:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #919EB3 text on black | 7.74:1 | AAA | Lc -49.3 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CF
oklch(80.9% 0.022 261.8)
-
Step 400
400 (this color)
#919EB3
oklch(69.6% 0.034 260)
-
Step 500
500
#7A8AA5
oklch(63% 0.045 260.9)
-
Step 600
600
#637490
oklch(55.6% 0.048 260.3)
-
Step 700
700
#52617A
oklch(49% 0.044 260.5)
-
Step 800
800
#435063
oklch(42.8% 0.036 257.8)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#919EB3 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) | #979FB4 | 0.009 |
| Deuteranopia (no green cones) | #949CB3 | 0.007 |
| Tritanopia (no blue cones) | #89A2A5 | 0.029 |
| Achromatopsia (no color) | #9D9D9D | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #919EB3
#919EB3
oklch(69.6% 0.034 260)
- #A99B86
#A99B86
oklch(69.6% 0.034 78)
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 #919EB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.013
- Cool Gray #8D99AE ΔE 0.016
- Bluegrey #85A3B2 ΔE 0.020
- Cool Steel #97A7B3 ΔE 0.027
- Cool Grey #95A3A6 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.032
- Pewter #96A8A1 ΔE 0.045
- Dark Gray #A9A9A9 ΔE 0.052
Use #919EB3 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.