#1483B5
Closest named color: Blue NCS (#118AB2). oklch(57.7% 0.118 235.4), rgb(20, 131, 181).
Aa
Black text reads best on this color (4.94:1).
About this color
#1483B5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.118 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.022 away. Black text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #1483B5 |
| RGB | rgb(20, 131, 181) |
| HSL | hsl(199, 80%, 39%) |
| OKLCH | oklch(57.7% 0.118 235.4) |
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 #1483B5 | 4.24:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #1483B5 | 4.94:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #1483B5 text on white | 4.24:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #1483B5 text on black | 4.94:1 | AA | Lc -32.8 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#A0C7DF
oklch(81% 0.054 235.3)
-
Step 400
400
#6AA9CE
oklch(70.6% 0.085 235.5)
-
Step 500
500
#3B93C2
oklch(63.1% 0.109 235.7)
-
Step 600
600 (this color)
#1483B5
oklch(57.7% 0.118 235.4)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#015679
oklch(42.8% 0.09 234.8)
-
Step 900
900
#114762
oklch(37.7% 0.071 235.5)
-
Step 950
950
#0D2A39
oklch(27.1% 0.044 234.3)
#1483B5 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) | #6A83B7 | 0.069 |
| Deuteranopia (no green cones) | #5675B4 | 0.056 |
| Tritanopia (no blue cones) | #009094 | 0.073 |
| Achromatopsia (no color) | #7B7B7B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1483B5
#1483B5
oklch(57.7% 0.118 235.4)
- #AE642B
#AE642B
oklch(57.7% 0.119 54.9)
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 #1483B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.022
- Nice Blue #107AB0 ΔE 0.026
- Steel Blue #4682B4 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.034
- Water Blue #0E87CC ΔE 0.035
- Windows Blue #3778BF ΔE 0.040
- Teal Blue #01889F ΔE 0.042
- Cerulean #457B9D ΔE 0.044
Use #1483B5 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.