#5199BE
Closest named color: Faded Blue (#658CBB). oklch(65.1% 0.091 232.9), rgb(81, 153, 190).
Aa
Black text reads best on this color (6.64:1).
About this color
#5199BE is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.091 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.038 away. Black text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.64:1 |
| White text | 3.15:1 |
Values
| HEX | #5199BE |
| RGB | rgb(81, 153, 190) |
| HSL | hsl(200, 46%, 53%) |
| OKLCH | oklch(65.1% 0.091 232.9) |
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 #5199BE | 3.15:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #5199BE | 6.64:1 | AA | Lc 45.5 | Large or bold text, headings |
| #5199BE text on white | 3.15:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #5199BE text on black | 6.64:1 | AA | Lc -43.2 | 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 500.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A5C6D9
oklch(80.9% 0.044 233.3)
-
Step 400
400
#73A9C6
oklch(70.8% 0.071 232.6)
-
Step 500
500 (this color)
#5199BE
oklch(65.1% 0.091 232.9)
-
Step 600
600
#287DA4
oklch(55.7% 0.099 232.7)
-
Step 700
700
#19698C
oklch(49.1% 0.092 232.6)
-
Step 800
800
#195672
oklch(42.8% 0.076 232.7)
-
Step 900
900
#1C475C
oklch(37.8% 0.059 232.6)
-
Step 950
950
#122A36
oklch(27.2% 0.037 232.2)
#5199BE 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) | #8797C0 | 0.060 |
| Deuteranopia (no green cones) | #788CBD | 0.052 |
| Tritanopia (no blue cones) | #00A3A5 | 0.066 |
| Achromatopsia (no color) | #919191 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5199BE
#5199BE
oklch(65.1% 0.091 232.9)
- #BB805A
#BB805A
oklch(65.1% 0.09 53.3)
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 #5199BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.038
- Greyblue #77A1B5 ΔE 0.051
- Silver Lake Blue #778DA9 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.053
- Dusty Blue #5A86AD ΔE 0.053
- Blue Grey #758DA3 ΔE 0.053
- Off Blue #5684AE ΔE 0.058
- Cool Blue #4984B8 ΔE 0.061
Use #5199BE 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.