#47819C
Closest named color: Stormy Blue (#507B9C). oklch(57.5% 0.074 230), rgb(71, 129, 156).
Aa
Black text reads best on this color (4.88:1).
About this color
#47819C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.074 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.019 away. Black text reads best on it, at 4.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #47819C |
| RGB | rgb(71, 129, 156) |
| HSL | hsl(199, 37%, 45%) |
| OKLCH | oklch(57.5% 0.074 230) |
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 #47819C | 4.29:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #47819C | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #47819C text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #47819C text on black | 4.88:1 | AA | Lc -32.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ACC5D2
oklch(80.9% 0.033 230.4)
-
Step 400
400
#7FA7BC
oklch(70.7% 0.053 231.3)
-
Step 500
500
#5D91AB
oklch(63% 0.068 231)
-
Step 600
600 (this color)
#47819C
oklch(57.5% 0.074 230)
-
Step 700
700
#336880
oklch(49.1% 0.068 229.8)
-
Step 800
800
#2B5568
oklch(42.8% 0.056 229.4)
-
Step 900
900
#274655
oklch(37.7% 0.045 230.6)
-
Step 950
950
#182932
oklch(27% 0.028 232.3)
#47819C 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) | #737F9D | 0.052 |
| Deuteranopia (no green cones) | #67769C | 0.046 |
| Tritanopia (no blue cones) | #09898A | 0.054 |
| Achromatopsia (no color) | #7A7A7A | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47819C
#47819C
oklch(57.5% 0.074 230)
- #9C6C51
#9C6C51
oklch(57.5% 0.073 50.2)
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 #47819C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.019
- Cerulean #457B9D ΔE 0.019
- Off Blue #5684AE ΔE 0.034
- Grey Blue #647D8E ΔE 0.035
- Dull Blue #49759C ΔE 0.036
- Teal Blue #01889F ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.036
- Steel Blue #4682B4 ΔE 0.037
Use #47819C 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.