#819DC2
Closest named color: Greyblue (#77A1B5). oklch(68.8% 0.063 255.5), rgb(129, 157, 194).
Aa
Black text reads best on this color (7.53:1).
About this color
#819DC2 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.063 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.029 away. Black text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.53:1 |
| White text | 2.78:1 |
Values
| HEX | #819DC2 |
| RGB | rgb(129, 157, 194) |
| HSL | hsl(214, 35%, 63%) |
| OKLCH | oklch(68.8% 0.063 255.5) |
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 #819DC2 | 2.78:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #819DC2 | 7.53:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #819DC2 text on white | 2.78:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #819DC2 text on black | 7.53:1 | AAA | Lc -48.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B0C2DA
oklch(80.8% 0.039 255.6)
-
Step 400
400 (this color)
#819DC2
oklch(68.8% 0.063 255.5)
-
Step 500
500
#688CBA
oklch(63.2% 0.081 254.9)
-
Step 600
600
#5075A6
oklch(55.6% 0.088 255.8)
-
Step 700
700
#40628E
oklch(49% 0.081 255.3)
-
Step 800
800
#355074
oklch(42.6% 0.069 255.9)
-
Step 900
900
#2E435D
oklch(37.7% 0.052 254.2)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#819DC2 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) | #909EC4 | 0.020 |
| Deuteranopia (no green cones) | #8898C1 | 0.015 |
| Tritanopia (no blue cones) | #6DA5A9 | 0.056 |
| Achromatopsia (no color) | #9B9B9B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819DC2
#819DC2
oklch(68.8% 0.063 255.5)
- #B2966F
#B2966F
oklch(68.9% 0.063 75.6)
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 #819DC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.029
- Cool Gray #8D99AE ΔE 0.031
- Bluey Grey #89A0B0 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.051
- Silver Lake Blue #778DA9 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.055
- Blue Grey #758DA3 ΔE 0.060
Use #819DC2 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.