#4084AD
Closest named color: Steel Blue (#4682B4). oklch(58.7% 0.093 237.7), rgb(64, 132, 173).
Aa
Black text reads best on this color (5.12:1).
About this color
#4084AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.093 and its hue 238°. 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 5.12:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.12:1 |
| White text | 4.10:1 |
Values
| HEX | #4084AD |
| RGB | rgb(64, 132, 173) |
| HSL | hsl(203, 46%, 46%) |
| OKLCH | oklch(58.7% 0.093 237.7) |
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 #4084AD | 4.10:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #4084AD | 5.12:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #4084AD text on white | 4.10:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #4084AD text on black | 5.12:1 | AA | Lc -33.7 | 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
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#A8C5D9
oklch(80.8% 0.042 238.2)
-
Step 400
400
#79A7C6
oklch(70.7% 0.067 238.4)
-
Step 500
500
#5491B7
oklch(63.1% 0.086 237.6)
-
Step 600
600 (this color)
#4084AD
oklch(58.7% 0.093 237.7)
-
Step 700
700
#28678C
oklch(49% 0.087 238.1)
-
Step 800
800
#235472
oklch(42.6% 0.072 238.6)
-
Step 900
900
#22465C
oklch(37.8% 0.056 237.6)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#4084AD 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) | #7183AF | 0.054 |
| Deuteranopia (no green cones) | #6278AC | 0.046 |
| Tritanopia (no blue cones) | #008E92 | 0.065 |
| Achromatopsia (no color) | #7D7D7D | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4084AD
#4084AD
oklch(58.7% 0.093 237.7)
- #A66E42
#A66E42
oklch(58.8% 0.093 57.8)
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 #4084AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.015
- Cool Blue #4984B8 ΔE 0.020
- Off Blue #5684AE ΔE 0.021
- Blue NCS #118AB2 ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.027
- Cerulean #457B9D ΔE 0.031
- Stormy Blue #507B9C ΔE 0.032
- Teal Blue #01889F ΔE 0.040
Use #4084AD 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.