#2194CB
Closest named color: Water Blue (#0E87CC). oklch(63.1% 0.126 235.8), rgb(33, 148, 203).
Aa
Black text reads best on this color (6.16:1).
About this color
#2194CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.126 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.039 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #2194CB |
| RGB | rgb(33, 148, 203) |
| HSL | hsl(199, 72%, 46%) |
| OKLCH | oklch(63.1% 0.126 235.8) |
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 #2194CB | 3.40:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #2194CB | 6.16:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #2194CB text on white | 3.40:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #2194CB text on black | 6.16:1 | AA | Lc -40.6 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DDED
oklch(88.4% 0.035 235.9)
-
Step 300
300
#9BC8E3
oklch(81% 0.061 234.9)
-
Step 400
400
#5FAAD6
oklch(70.7% 0.099 236.2)
-
Step 500
500 (this color)
#2194CB
oklch(63.1% 0.126 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#062A3C
oklch(27% 0.052 235.4)
#2194CB 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) | #7993CE | 0.074 |
| Deuteranopia (no green cones) | #6384CA | 0.061 |
| Tritanopia (no blue cones) | #00A2A7 | 0.078 |
| Achromatopsia (no color) | #8B8B8B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2194CB
#2194CB
oklch(63.1% 0.126 235.8)
- #C27334
#C27334
oklch(63.1% 0.126 56.1)
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 #2194CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.039
- Blue NCS #118AB2 ΔE 0.045
- Cool Blue #4984B8 ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.050
- Faded Blue #658CBB ΔE 0.053
- Steel Blue #4682B4 ΔE 0.055
- Dusty Blue #5A86AD ΔE 0.059
- Off Blue #5684AE ΔE 0.059
Use #2194CB 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.