#0193D8
Closest named color: Water Blue (#0E87CC). oklch(63.3% 0.145 240.1), rgb(1, 147, 216).
Aa
Black text reads best on this color (6.16:1).
About this color
#0193D8 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.145 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.035 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #0193D8 |
| RGB | rgb(1, 147, 216) |
| HSL | hsl(199, 99%, 43%) |
| OKLCH | oklch(63.3% 0.145 240.1) |
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 #0193D8 | 3.40:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #0193D8 | 6.16:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #0193D8 text on white | 3.40:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #0193D8 text on black | 6.16:1 | AA | Lc -40.8 | 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 500.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF7
oklch(93.6% 0.021 241.4)
-
Step 200
200
#C3DDF1
oklch(88.5% 0.039 241.1)
-
Step 300
300
#97C7EA
oklch(80.8% 0.071 240.4)
-
Step 400
400
#57A9E0
oklch(70.6% 0.114 240.4)
-
Step 500
500 (this color)
#0193D8
oklch(63.3% 0.145 240.1)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00547F
oklch(42.6% 0.099 240.7)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#022940
oklch(26.8% 0.06 240.5)
#0193D8 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) | #7194DB | 0.072 |
| Deuteranopia (no green cones) | #5784D7 | 0.055 |
| Tritanopia (no blue cones) | #00A4AC | 0.094 |
| Achromatopsia (no color) | #8B8B8B | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0193D8
#0193D8
oklch(63.3% 0.145 240.1)
- #C8710C
#C8710C
oklch(63.3% 0.145 60.1)
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 #0193D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.049
- Blue NCS #118AB2 ΔE 0.059
- Cool Blue #4984B8 ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.062
- Steel Blue #4682B4 ΔE 0.065
- Faded Blue #658CBB ΔE 0.067
Use #0193D8 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.