#619BCB
Closest named color: Faded Blue (#658CBB). oklch(66.9% 0.094 244.8), rgb(97, 155, 203).
Aa
Black text reads best on this color (7.05:1).
About this color
#619BCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.094 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.042 away. Black text reads best on it, at 7.05:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #619BCB |
| RGB | rgb(97, 155, 203) |
| HSL | hsl(207, 50%, 59%) |
| OKLCH | oklch(66.9% 0.094 244.8) |
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 #619BCB | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #619BCB | 7.05:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #619BCB text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #619BCB text on black | 7.05:1 | AAA | Lc -45.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEE
oklch(88.5% 0.033 245.3)
-
Step 300
300
#A1C5E5
oklch(80.8% 0.06 245.5)
-
Step 400
400 (this color)
#619BCB
oklch(66.9% 0.094 244.8)
-
Step 500
500
#4190CD
oklch(63.1% 0.12 244.8)
-
Step 600
600
#1879BA
oklch(55.6% 0.131 244.8)
-
Step 700
700
#0465A0
oklch(49% 0.122 245)
-
Step 800
800
#0D5382
oklch(42.7% 0.101 244.9)
-
Step 900
900
#164568
oklch(37.7% 0.078 244.8)
-
Step 950
950
#0F293D
oklch(27.1% 0.049 244.3)
#619BCB 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) | #879CCD | 0.045 |
| Deuteranopia (no green cones) | #7991CA | 0.036 |
| Tritanopia (no blue cones) | #25A7AB | 0.080 |
| Achromatopsia (no color) | #969696 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #619BCB
#619BCB
oklch(66.9% 0.094 244.8)
- #BD8954
#BD8954
oklch(67% 0.094 65.5)
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 #619BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.042
- Greyblue #77A1B5 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.058
- Blue Grey #758DA3 ΔE 0.063
- Cool Gray #8D99AE ΔE 0.063
- Bluegrey #85A3B2 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.064
Use #619BCB 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.