#4685B2
Closest named color: Steel Blue (#4682B4). oklch(59.4% 0.095 241.8), rgb(70, 133, 178).
Aa
Black text reads best on this color (5.25:1).
About this color
#4685B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.095 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.010 away. Black text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #4685B2 |
| RGB | rgb(70, 133, 178) |
| HSL | hsl(205, 44%, 49%) |
| OKLCH | oklch(59.4% 0.095 241.8) |
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 #4685B2 | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #4685B2 | 5.25:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #4685B2 text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #4685B2 text on black | 5.25:1 | AA | Lc -34.6 | 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 500.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A7C5DC
oklch(80.9% 0.046 241.2)
-
Step 400
400
#77A7CB
oklch(70.8% 0.074 241.5)
-
Step 500
500 (this color)
#4685B2
oklch(59.4% 0.095 241.8)
-
Step 600
600
#337AAA
oklch(55.6% 0.103 241.6)
-
Step 700
700
#256692
oklch(49% 0.096 242.3)
-
Step 800
800
#205476
oklch(42.8% 0.079 240.9)
-
Step 900
900
#204560
oklch(37.6% 0.063 242.6)
-
Step 950
950
#142938
oklch(27.1% 0.039 241.3)
#4685B2 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) | #7185B4 | 0.048 |
| Deuteranopia (no green cones) | #627AB1 | 0.040 |
| Tritanopia (no blue cones) | #009094 | 0.073 |
| Achromatopsia (no color) | #7F7F7F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4685B2
#4685B2
oklch(59.4% 0.095 241.8)
- #A7713F
#A7713F
oklch(59.5% 0.095 62.1)
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 #4685B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.010
- Cool Blue #4984B8 ΔE 0.011
- Off Blue #5684AE ΔE 0.016
- Dusty Blue #5A86AD ΔE 0.022
- Blue NCS #118AB2 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.038
- Cerulean #457B9D ΔE 0.039
- Faded Blue #658CBB ΔE 0.042
Use #4685B2 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.