#4684AC
Closest named color: Steel Blue (#4682B4). oklch(58.9% 0.089 239), rgb(70, 132, 172).
Aa
Black text reads best on this color (5.15:1).
About this color
#4684AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.089 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.015 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #4684AC |
| RGB | rgb(70, 132, 172) |
| HSL | hsl(204, 42%, 47%) |
| OKLCH | oklch(58.9% 0.089 239) |
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 #4684AC | 4.07:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #4684AC | 5.15:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #4684AC text on white | 4.07:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #4684AC text on black | 5.15:1 | AA | Lc -33.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7CA7C5
oklch(70.8% 0.064 239.2)
-
Step 500
500
#5890B6
oklch(63% 0.082 239.6)
-
Step 600
600 (this color)
#4684AC
oklch(58.9% 0.089 239)
-
Step 700
700
#2E678A
oklch(49.2% 0.082 238.5)
-
Step 800
800
#275470
oklch(42.7% 0.068 238.5)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#4684AC 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) | #7284AE | 0.050 |
| Deuteranopia (no green cones) | #6479AB | 0.042 |
| Tritanopia (no blue cones) | #008E91 | 0.068 |
| Achromatopsia (no color) | #7E7E7E | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4684AC
#4684AC
oklch(58.9% 0.089 239)
- #A46F45
#A46F45
oklch(58.8% 0.089 58.3)
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 #4684AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.015
- Off Blue #5684AE ΔE 0.016
- Cool Blue #4984B8 ΔE 0.019
- Dusty Blue #5A86AD ΔE 0.022
- Blue NCS #118AB2 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.031
- Cerulean #457B9D ΔE 0.031
- Teal Blue #01889F ΔE 0.043
Use #4684AC 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.