#4190BA
Closest named color: Cool Blue (#4984B8). oklch(62.2% 0.1 234.8), rgb(65, 144, 186).
Aa
Black text reads best on this color (5.92:1).
About this color
#4190BA is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.100 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.034 away. Black text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #4190BA |
| RGB | rgb(65, 144, 186) |
| HSL | hsl(201, 48%, 49%) |
| OKLCH | oklch(62.2% 0.1 234.8) |
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 #4190BA | 3.54:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #4190BA | 5.92:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #4190BA text on white | 3.54:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #4190BA text on black | 5.92:1 | AA | Lc -38.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE9
oklch(88.6% 0.027 234)
-
Step 300
300
#A3C6DC
oklch(80.8% 0.049 235.8)
-
Step 400
400
#6FA9CA
oklch(70.7% 0.077 234.4)
-
Step 500
500 (this color)
#4190BA
oklch(62.2% 0.1 234.8)
-
Step 600
600
#1D7CA9
oklch(55.5% 0.108 235.1)
-
Step 700
700
#0A6991
oklch(49.2% 0.1 234.4)
-
Step 800
800
#105676
oklch(42.8% 0.083 234.4)
-
Step 900
900
#18475F
oklch(37.8% 0.065 234.6)
-
Step 950
950
#102A38
oklch(27.2% 0.041 234.6)
#4190BA 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) | #7C8FBC | 0.062 |
| Deuteranopia (no green cones) | #6B83B9 | 0.052 |
| Tritanopia (no blue cones) | #009B9E | 0.067 |
| Achromatopsia (no color) | #888888 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4190BA
#4190BA
oklch(62.2% 0.1 234.8)
- #B57649
#B57649
oklch(62.2% 0.1 55.3)
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 #4190BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.034
- Blue NCS #118AB2 ΔE 0.034
- Faded Blue #658CBB ΔE 0.035
- Off Blue #5684AE ΔE 0.036
- Steel Blue #4682B4 ΔE 0.039
- Water Blue #0E87CC ΔE 0.050
- Teal Blue #01889F ΔE 0.057
Use #4190BA 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.