#47839F
Closest named color: Stormy Blue (#507B9C). oklch(58.1% 0.076 230.1), rgb(71, 131, 159).
Aa
Black text reads best on this color (5.01:1).
About this color
#47839F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.076 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.023 away. Black text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #47839F |
| RGB | rgb(71, 131, 159) |
| HSL | hsl(199, 38%, 45%) |
| OKLCH | oklch(58.1% 0.076 230.1) |
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 #47839F | 4.18:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #47839F | 5.01:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #47839F text on white | 4.18:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #47839F text on black | 5.01:1 | AA | Lc -32.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
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
#ABC5D3
oklch(80.8% 0.034 231.3)
-
Step 400
400
#7EA7BC
oklch(70.6% 0.054 230.7)
-
Step 500
500
#5B92AC
oklch(63.2% 0.07 229.7)
-
Step 600
600 (this color)
#47839F
oklch(58.1% 0.076 230.1)
-
Step 700
700
#316881
oklch(49.1% 0.07 230.1)
-
Step 800
800
#2A5569
oklch(42.8% 0.058 230.3)
-
Step 900
900
#264655
oklch(37.6% 0.046 229.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#47839F 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) | #7581A0 | 0.054 |
| Deuteranopia (no green cones) | #68789F | 0.046 |
| Tritanopia (no blue cones) | #008B8C | 0.056 |
| Achromatopsia (no color) | #7C7C7C | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47839F
#47839F
oklch(58.1% 0.076 230.1)
- #9F6D51
#9F6D51
oklch(58% 0.076 50)
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 #47839F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.023
- Cerulean #457B9D ΔE 0.024
- Off Blue #5684AE ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.031
- Steel Blue #4682B4 ΔE 0.034
- Teal Blue #01889F ΔE 0.035
- Grey Blue #647D8E ΔE 0.038
- Blue NCS #118AB2 ΔE 0.038
Use #47839F 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.