#819CA4
Closest named color: Bluey Grey (#89A0B0). oklch(67.5% 0.032 217.6), rgb(129, 156, 164).
Aa
Black text reads best on this color (7.22:1).
About this color
#819CA4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.032 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.022 away. Black text reads best on it, at 7.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #819CA4 |
| RGB | rgb(129, 156, 164) |
| HSL | hsl(194, 16%, 57%) |
| OKLCH | oklch(67.5% 0.032 217.6) |
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 #819CA4 | 2.90:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #819CA4 | 7.22:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #819CA4 text on white | 2.90:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #819CA4 text on black | 7.22:1 | AAA | Lc -46.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDE
oklch(88.5% 0.012 217.6)
-
Step 300
300
#B3C4C9
oklch(80.9% 0.02 217.3)
-
Step 400
400 (this color)
#819CA4
oklch(67.5% 0.032 217.6)
-
Step 500
500
#6D909A
oklch(63.1% 0.042 217.2)
-
Step 600
600
#557A85
oklch(55.6% 0.045 218.3)
-
Step 700
700
#456771
oklch(49.2% 0.042 218.2)
-
Step 800
800
#39545C
oklch(42.8% 0.035 218.2)
-
Step 900
900
#31454B
oklch(37.6% 0.027 218.3)
-
Step 950
950
#1D292C
oklch(27.1% 0.017 214.8)
#819CA4 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) | #979AA4 | 0.029 |
| Deuteranopia (no green cones) | #9195A4 | 0.028 |
| Tritanopia (no blue cones) | #779F9E | 0.019 |
| Achromatopsia (no color) | #979797 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819CA4
#819CA4
oklch(67.5% 0.032 217.6)
- #A99089
#A99089
oklch(67.4% 0.032 36.2)
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 #819CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.022
- Bluegrey #85A3B2 ΔE 0.025
- Cool Gray #8D99AE ΔE 0.026
- Greyblue #77A1B5 ΔE 0.026
- Cool Grey #95A3A6 ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.040
- Cool Steel #97A7B3 ΔE 0.047
- Pewter #96A8A1 ΔE 0.047
Use #819CA4 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.