#1684A3
Closest named color: Teal Blue (#01889F). oklch(57.1% 0.101 223.1), rgb(22, 132, 163).
Aa
Black text reads best on this color (4.86:1).
About this color
#1684A3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.101 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.015 away. Black text reads best on it, at 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #1684A3 |
| RGB | rgb(22, 132, 163) |
| HSL | hsl(193, 76%, 36%) |
| OKLCH | oklch(57.1% 0.101 223.1) |
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 #1684A3 | 4.31:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #1684A3 | 4.86:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #1684A3 text on white | 4.31:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #1684A3 text on black | 4.86:1 | AA | Lc -32.2 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A1C8D6
oklch(80.9% 0.046 221.7)
-
Step 400
400
#6CABC2
oklch(70.7% 0.073 223.2)
-
Step 500
500
#3E96B3
oklch(63.2% 0.093 223.1)
-
Step 600
600 (this color)
#1684A3
oklch(57.1% 0.101 223.1)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#05586E
oklch(42.8% 0.078 222.8)
-
Step 900
900
#134859
oklch(37.6% 0.061 223.7)
-
Step 950
950
#0E2B34
oklch(27.2% 0.038 221.3)
#1684A3 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) | #7281A5 | 0.080 |
| Deuteranopia (no green cones) | #6074A3 | 0.070 |
| Tritanopia (no blue cones) | #008D8E | 0.049 |
| Achromatopsia (no color) | #7A7A7A | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1684A3
#1684A3
oklch(57.1% 0.101 223.1)
- #A96245
#A96245
oklch(57% 0.102 42.6)
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 #1684A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.015
- Blue NCS #118AB2 ΔE 0.026
- Cerulean #457B9D ΔE 0.034
- Ocean #017B92 ΔE 0.035
- Nice Blue #107AB0 ΔE 0.041
- Stormy Blue #507B9C ΔE 0.043
- Steel Blue #4682B4 ΔE 0.043
- Dull Blue #49759C ΔE 0.049
Use #1684A3 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.