#618FC7
Closest named color: Faded Blue (#658CBB). oklch(64% 0.099 254), rgb(97, 143, 199).
Aa
Black text reads best on this color (6.26:1).
About this color
#618FC7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.099 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.018 away. Black text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #618FC7 |
| RGB | rgb(97, 143, 199) |
| HSL | hsl(213, 48%, 58%) |
| OKLCH | oklch(64% 0.099 254) |
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 #618FC7 | 3.35:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #618FC7 | 6.26:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #618FC7 text on white | 3.35:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #618FC7 text on black | 6.26:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#ACC3E0
oklch(80.9% 0.048 254.3)
-
Step 400
400
#7FA3D0
oklch(70.6% 0.077 254.3)
-
Step 500
500 (this color)
#618FC7
oklch(64% 0.099 254)
-
Step 600
600
#4475B0
oklch(55.5% 0.107 254.1)
-
Step 700
700
#356298
oklch(49% 0.1 254.2)
-
Step 800
800
#2D507B
oklch(42.6% 0.083 254.5)
-
Step 900
900
#284363
oklch(37.7% 0.064 253.6)
-
Step 950
950
#18273A
oklch(26.9% 0.041 254.8)
#618FC7 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) | #7992C9 | 0.031 |
| Deuteranopia (no green cones) | #6C88C6 | 0.021 |
| Tritanopia (no blue cones) | #2E9CA3 | 0.086 |
| Achromatopsia (no color) | #8C8C8C | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618FC7
#618FC7
oklch(64% 0.099 254)
- #B08343
#B08343
oklch(64.1% 0.098 74.1)
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 #618FC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.018
- Dusty Blue #5A86AD ΔE 0.044
- Cool Blue #4984B8 ΔE 0.046
- Off Blue #5684AE ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.051
- Steel Blue #4682B4 ΔE 0.054
- Blue Grey #758DA3 ΔE 0.057
Use #618FC7 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.